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Components of Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Revolving credit facility, at a rate of 2.15% at March 30, 2014, due 7/16/2018 $ 680,000 $ 680,000
Long-term debt, Gross 1,330,000 1,330,000
Less: Unamortized debt discount on 3.875% Convertible Senior Subordinated Notes (45,439) (48,413)
Total long-term debt 1,284,561 1,281,587
Current portion of borrowings (354,561) (351,587)
Long-term borrowings 930,000 930,000
3.875% Convertible Senior Subordinated Notes
   
Debt Instrument [Line Items]    
3.875% Convertible Senior Subordinated Notes 400,000 400,000
6.875% Senior Subordinated Notes due 2019
   
Debt Instrument [Line Items]    
6.875% Senior Subordinated Notes due 2019 $ 250,000 $ 250,000