Long-Term Debt and Other Borrowing Arrangements (Details Textual) (USD $)	9 Months Ended		9 Months Ended			9 Months Ended
	Oct. 02, 2011	Apr. 25, 2011	Oct. 02, 2011 $400.0 million, senior secured credit facility [Member]	Oct. 02, 2011 $230.0 million senior secured credit facility [Member]	Apr. 24, 2011 $230.0 million senior secured credit facility [Member]	Oct. 02, 2011 Senior Subordinated notes due 2017 [Member]	Oct. 02, 2011 Senior Subordinated notes due 2019 [Member]	Oct. 02, 2011 Maximum [Member]	Oct. 02, 2011 Minimum [Member]
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		$ 400,000,000			$ 230,000,000
Maturity of borrowing capacity			2016-04-25	2013-01-31
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
Fees associated with new senior secured credit facility	3,296,000		3,300,000
Debt Instrument [Line Items]
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%
Senior Subordinated Notes expiring 2017 and 2019; guarantees by subsidiaries	Notes are subordinated to all of our senior debt and the senior debt of our subsidiary guarantors, including our senior secured credit facility					The notes are guaranteed on a senior subordinated basis by certain of our subsidiaries	The notes are guaranteed on a senior subordinated basis by certain of our subsidiaries
Senior Subordinated Notes expiring 2017 and 2019; description of priority	Notes rank equal in right of payment with any of our future senior subordinated debt					The notes rank equal in right of payment with our senior subordinated notes due 2019 and with any future senior subordinated debt, and they are subordinated to all of our senior debt and the senior debt of our subsidiary guarantors, including our senior secured credit facility.	The notes rank equal in right of payment with our senior subordinated notes due 2017 and with any future senior subordinated debt, and they are subordinated to all of our senior debt and the senior debt of our subsidiary guarantors, including our senior secured credit facility.
Frequency of interest payments						Semi annually	Semi annually
Aggregate principal amount outstanding of senior subordinated notes						350,000,000	201,000,000
Estimated excess proceeds from disposition								50,000,000	40,000,000
Long-Term Debt and Other Borrowing Arrangements (Textual) [Abstract]
Line of credit facility, remaining borrowing capacity	381,800,000
Line of credit, interest rate, LIBOR term		3 months
Outstanding borrowings under the new facility	0
Fair value of debt instrument	563,900,000
Aggregate principal amount outstanding of senior subordinated notes	$ 550,000,000