Long-term Debt and Bank Credit Facilities (Details) - Debt outstanding (USD $) In Thousands, unless otherwise specified	Oct. 05, 2013	Dec. 29, 2012
Long-term Debt and Bank Credit Facilities (Details) - Debt outstanding [Line Items]
Debt	$ 385,719	$ 356,251
Less current maturities	(2,704)
Long-term debt	383,015	356,251
Revolving Credit [Member]
Long-term Debt and Bank Credit Facilities (Details) - Debt outstanding [Line Items]
Debt	328,282	188,825
Senior Subordinated Convertible Debt [Member]
Long-term Debt and Bank Credit Facilities (Details) - Debt outstanding [Line Items]
Debt		148,724
Note Payable And Mortgage Notes [Member]
Long-term Debt and Bank Credit Facilities (Details) - Debt outstanding [Line Items]
Debt	50,630	18,702
Equipment Note [Member]
Long-term Debt and Bank Credit Facilities (Details) - Debt outstanding [Line Items]
Debt	$ 6,807