WASHINGTON GROUP INTERNATIONAL INC

Q: Sep 28 2007

Q: Jun 29 2007

Q: Mar 30 2007

FY: Dec 29 2006

FY: Dec 29 2006

Q: Sep 29 2006

Q: Jun 30 2006

Q: Mar 31 2006

FY: Dec 30 2005

Q: Sep 30 2005

Q: Jul 1 2005

Q: Apr 1 2005

FY: Dec 31 2004

Q: Oct 1 2004

Q: Jul 2 2004

Q: Apr 2 2004

FY: Jan 2 2004

Q: Oct 3 2003

Q: Jul 4 2003

FY: Jan 3 2003

1.01,5.02,7.01,9.01

8.01

2.02,9.01

8.01

8.01

Results of Operations and Financial Condition

8.01

Results of Operations and Financial Condition

1.01,2.02

1.01,8.01

1.01,9.01

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Results of Operations and Financial Condition

5.02,8.01

2.02,9.01

Results of Operations and Financial Condition

2.02,9.01

2.02,9.01

1.01,7.01,9.01

1.01,9.01

Certification of termination of registration of a class of securities (Section 12(b))

Notification of removal from listing and/or registration on a national securities exchange

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Required Information in Proxy Statement

Additional Information for Proxy Statement/ Votes

No description available

No description available

No description available

No description available

Additional Information for Proxy Statement/ Votes

Required Information in Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Required Information in Proxy Statement

Definitive Proxy Statement

No description available

Definitive Proxy Statement

Required Information in Proxy Statement

Definitive Proxy Statement

WASHINGTON DENNIS R

GREER C SCOTT

MONACO MICHAEL P

REED CORDELL

MALLENDER WILLIAM H

WASHINGTON DENNIS R

WASHINGTON DENNIS R

GREENLIGHT CAPITAL LLC

GREENLIGHT CAPITAL LLC

MALLENDER WILLIAM H

FINLAYSON FRANK S

DAPPOLONIA MICHAEL R

MALLENDER WILLIAM H

ALM JOHN R

BATCHELDER DAVID H

GREER C SCOTT

HAMILTON GAIL

MONACO MICHAEL P

REED CORDELL

WILLIAMS DENNIS K

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Notification of the removal from listing and registration of matured redeemed or retired securities (amendment)

No description available

Notification of the removal from listing and registration of matured redeemed or retired securities

Letter from the SEC

Letter from the SEC

Correspondence with the SEC