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Basis of Presentation and Significant Accounting Policies (Tables)
 12 Months Ended
Nov. 29, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Revenue reserve rollforward
Revenue Reserve
Revenue reserve rollforward (in thousands):
 
 
2013
 
2012
 
2011
Beginning balance
 
$
57,058

 
$
60,887

 
$
49,426

Amount charged to revenue
 
74,031

 
170,839

 
162,491

Actual returns
 
(102,425
)
 
(174,668
)
 
(151,030
)
Ending balance
 
$
28,664

 
$
57,058

 
$
60,887
Allowance for doubtful accounts
(in thousands)
 
2013
 
2012
 
2011
Beginning balance
 
$
12,643

 
$
15,080

 
$
15,233

Increase due to acquisition
 
1,038

 
325

 
269

Charged to operating expenses
 
933

 
3,356

 
6,271

Deductions(1)
 
(4,386
)
 
(6,118
)
 
(6,693
)
Ending balance
 
$
10,228

 
$
12,643

 
$
15,080

________________________________________ 
(1)  
Deductions related to the allowance for doubtful accounts represent amounts written off against the allowance, less recoveries