v3.5.0.2
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Feb. 16, 2016
Dec. 26, 2012
Jul. 30, 2016
Nov. 14, 2014
Commitments and Contingencies Disclosure [Line Items]        
Accrued liability related to legal proceedings     $ 3.2  
Actions taken by court     On August 16, 2016, the court granted the Company's motion and gave plaintiff 30 days leave to amend the complaint, (until September 15, 2016)  
Carrying value of pledged assets     $ 129.9  
Carnegie Mellon Litigation        
Commitments and Contingencies Disclosure [Line Items]        
Date of lawsuit filed     Mar. 06, 2009  
Loss contingency, awarded amount   $ 1,170.0 $ 1,540.0  
Amount agreed to pay pursuant to settlement     750.0  
Settlement Agreement and Patent License        
Commitments and Contingencies Disclosure [Line Items]        
Amount agreed to pay pursuant to settlement $ 750.0      
Primary Surety Bond        
Commitments and Contingencies Disclosure [Line Items]        
Bond 439.0      
Secondary Surety Bond        
Commitments and Contingencies Disclosure [Line Items]        
Bond $ 311.0      
Surety Bond        
Commitments and Contingencies Disclosure [Line Items]        
Bond     1,540.0 $ 216.0
Commitment Letter        
Commitments and Contingencies Disclosure [Line Items]        
Bond       $ 95.0
Manufacturing Expense        
Commitments and Contingencies Disclosure [Line Items]        
Purchase commitment, outstanding commitment     $ 207.1