Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Detail)

v2.4.0.6
Intangible Assets - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Schedule of Actual and Estimated Amortization Expense [Line Items]    
Amortization of intangible assets $ 11,525 $ 12,181