Long-Term Debt and Other Borrowing Arrangements (Details Textuals) (USD $)	6 Months Ended			3 Months Ended	6 Months Ended
	Jul. 03, 2011	Jul. 04, 2010	Apr. 25, 2011	Jul. 03, 2011 $400.0 million, senior secured credit facility [Member]	Jul. 03, 2011 $230.0 million senior secured credit facility [Member]	Jul. 03, 2011 Senior Subordinated notes due 2017 [Member]	Jul. 03, 2011 Senior Subordinated notes due 2019 [Member]
Line of Credit Facility [Line Items]
Maturity of borrowing capacity				2016-04-25	2013-01-31
Maximum amount of old senior secured credit facility			$ 400,000,000		$ 230,000,000
Face amount of senior subordinated notes						350,000,000	200,000,000
Interest rate of senior subordinated notes						7.00%	9.25%
Effective interest rate of senior subordinated notes							9.75%
Frequency of interest payments						Semi annually	Semi annually
Aggregate principal amount outstanding of senior subordinated notes						350,000,000	201,000,000
Long-Term Debt and Other Borrowing Arrangements (Textuals) [Abstract]
Borrowing capacity of new facility			400,000,000		230,000,000
Line of credit facility, remaining borrowing capacity	380,400,000
Aggregate principal amount outstanding of senior subordinated notes	550,000,000
Line of credit facility interest rate description	Under the new facility. Interest on outstanding borrowings is variable, based on either the three month LIBOR rate or the prime rate
Fair value of debt instrument	581,300,000
Debt issuance costs	$ (3,296,000)	$ 0