LAM RESEARCH CORP

1101 - Disclosure - Segment, Geographic Information and Major Customers - Additional Information (Detail)

1102 - Disclosure - Revenues and Long Lived Assets by Geographic Region (Detail)

1103 - Disclosure - Restructuring Charges - Additional Information (Detail)

1104 - Disclosure - Stock Repurchase Program - Additional Information (Detail)

1105 - Disclosure - Schedule of Repurchases under Repurchase Program (Detail)

1106 - Disclosure - Valuation and Qualifying Accounts (Detail)

1011 - Disclosure - Recent Accounting Pronouncements

1012 - Disclosure - Financial Instruments

1013 - Disclosure - Inventories

1014 - Disclosure - Property and Equipment

1015 - Disclosure - Accrued Expenses and Other Current Liabilities

1016 - Disclosure - Other Income (Expense), Net

1017 - Disclosure - Net Income Per Share

1018 - Disclosure - Comprehensive Income (Loss)

1019 - Disclosure - Equity-Based Compensation Plans

1020 - Disclosure - Retirement and Deferred Compensation Plans

1001 - Document - Document and Entity Information

1021 - Disclosure - Long Term Debt

1022 - Disclosure - Commitments

1023 - Disclosure - Income Taxes

1024 - Disclosure - Acquisitions

1025 - Disclosure - Goodwill and Intangible Assets

1026 - Disclosure - Segment, Geographic Information and Major Customers

1027 - Disclosure - Restructuring Charges

1028 - Disclosure - Stock Repurchase Program

1029 - Disclosure - Legal Proceedings

1030 - Disclosure - Valuation and Qualifying Accounts

1003 - Statement - Consolidated Balance Sheets

1031 - Disclosure - Summary of Significant Accounting Policies (Policies)

1032 - Disclosure - Financial Instruments (Tables)

1033 - Disclosure - Inventories (Tables)

1034 - Disclosure - Property and Equipment (Tables)

1035 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables)

1036 - Disclosure - Other Income (Expense), Net (Tables)

1037 - Disclosure - Net Income Per Share (Tables)

1038 - Disclosure - Comprehensive Income (Loss) (Tables)

1039 - Disclosure - Equity-Based Compensation Plans (Tables)

1040 - Disclosure - Long Term Debt (Tables)

1004 - Statement - Consolidated Balance Sheets (Parenthetical)

1041 - Disclosure - Commitments (Tables)

1042 - Disclosure - Income Taxes (Tables)

1043 - Disclosure - Acquisitions (Tables)

1044 - Disclosure - Goodwill and Intangible Assets (Tables)

1045 - Disclosure - Segment, Geographic Information and Major Customers (Tables)

1046 - Disclosure - Stock Repurchase Program (Tables)

1047 - Disclosure - Summary of Significant Accounting Policies - Additional information (Detail)

1048 - Disclosure - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)

1049 - Disclosure - Schedule of Assets and Liabilities Measured at Fair Value as Reported in Consolidated Balance Sheet (Detail)

1050 - Disclosure - Summary of Investments (Detail)

1005 - Statement - Consolidated Statements of Operations

1051 - Disclosure - Financial Instruments - Additional Information (Detail)

1052 - Disclosure - Schedule of Fixed Income Securities in Unrealized Loss Positions (Detail)

1053 - Disclosure - Schedule of Amortized Cost and Fair Value of Cash Equivalents, Short-Term Investments, and Restricted Cash and Investments with Contractual Maturities (Detail)

1054 - Disclosure - Schedule of Outstanding Foreign Currency Forward Contracts (Detail)

1055 - Disclosure - Schedule of Fair Value of Derivatives Instruments (Detail)

1056 - Disclosure - Schedule of Derivative Instruments Designated as Cash Flow Hedges in Statements of Operations (Detail)

1057 - Disclosure - Schedule of Inventories (Detail)

1058 - Disclosure - Schedule of Property and Equipment Net (Detail)

1059 - Disclosure - Property and Equipment - Additional Information (Detail)

1060 - Disclosure - Schedule of Accrued Expenses and Other Current Liabilities (Detail)

1006 - Statement - Consolidated Statements of Comprehensive Income

1061 - Disclosure - Components of Other Income (Expense), Net (Detail)

1062 - Disclosure - Schedule of Numerators and Denominators of Basic and Diluted Computations for Net Income Per Share (Detail)

1063 - Disclosure - Schedule of Potentially Dilutive Securities Excluded from EPS Calculations (Detail)

1064 - Disclosure - Components of Accumulated Other Comprehensive Income or Loss (Detail)

1065 - Disclosure - Components of Accumulated Other Comprehensive Income or Loss (Parenthetical) (Detail)

1066 - Disclosure - Tax Related to Components of Other Comprehensive Income (Detail)

1067 - Disclosure - Equity Based Compensation Plans - Additional Information (Detail)

1068 - Disclosure - Summary of Stock Plan Activity (Detail)

1069 - Disclosure - Outstanding and Exercisable Options by Price Range (Detail)

1070 - Disclosure - Recognized or Realized Equity Based Compensation Expenses and Benefits (Detail)

1007 - Statement - Consolidated Statements of Cash Flows

1071 - Disclosure - Schedule of Stock Options Weighted Average Assumptions (Detail)

1072 - Disclosure - Intrinsic Value of Stock Options (Detail)

1073 - Disclosure - Schedule of ESPP Weighted-Average Assumptions (Detail)

1074 - Disclosure - Retirement and Deferred Compensation Plans - Additional Information (Detail)

1075 - Disclosure - Schedule of Carrying Value of Convertible Notes and Other Long-Term Debt (Detail)

1076 - Disclosure - Schedule of Carrying Value of Convertible Notes and Other Long-Term Debt (Parenthetical) (Detail)

1077 - Disclosure - Long Term Debt - Additional Information (Detail)

1078 - Disclosure - Schedule of Recognized Interest Cost Relating to Both Contractual Interest Coupon and Amortization of Discount on Liability Component of Notes (Detail)

1079 - Disclosure - Schedule of Contractual Cash Obligations Relating to Convertible Notes and Other Long Term Debt (Detail)

1080 - Disclosure - Commitments - Additional Information (Detail)

1008 - Statement - Consolidated Statements of Stockholders' Equity

1081 - Disclosure - Schedule of Contractual Cash Obligations relating to Existing Capital Leases (Detail)

1082 - Disclosure - Schedule of Contractual Cash Obligations Relating to Operating Leases (Detail)

1083 - Disclosure - Purchase Commitments (Detail)

1084 - Disclosure - Schedule of Changes in Product Warranty Reserves (Detail)

1085 - Disclosure - Income Loss Before Income Taxes (Detail)

1086 - Disclosure - Provision Benefit for Income Taxes (Detail)

1087 - Disclosure - Components of Net Deferred Tax Assets (Detail)

1088 - Disclosure - Income Taxes - Additional Information (Detail)

1089 - Disclosure - Reconciliation of Income Tax Expense Provided at Federal Statutory Rate to Actual Income Expense (Detail)

1090 - Disclosure - Changes in Balance of Gross Unrecognized Tax Benefits (Detail)

1009 - Disclosure - Company and Industry Information

1091 - Disclosure - Acquisitions - Additional Information (Detail)

1092 - Disclosure - Consideration Transferred to Acquire Novellus (Detail)

1093 - Disclosure - Consideration Transferred to Acquire Novellus (Parenthetical) (Detail)

1094 - Disclosure - Summary of Assets Acquired and Liabilities Assumed (Detail)

1095 - Disclosure - Estimated Fair Value of Identifiable Intangible Assets and Weighted Average Useful Lives (Detail)

1096 - Disclosure - Revenue and Earnings of Novellus Included in Consolidated Statement of Operations (Detail)

1097 - Disclosure - Pro Forma Results (Detail)

1098 - Disclosure - Goodwill and Intangible Assets - Additional Information (Detail)

1099 - Disclosure - Schedule of Intangible Assets (Detail)

1100 - Disclosure - Estimated Future Amortization Expense of Intangible Assets (Detail)

1010 - Disclosure - Summary of Significant Accounting Policies