Condensed Consolidating Financial Statements (Details 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011
Condensed Consolidating Statement of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES	$ 85,321	$ 14,228
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(3,183)	(5,770)
Proceeds on sale of intangible assets		2,875
Payment on purchase of intangible assets	(7,000)	(535)
Payment on purchase of operating leases		(904)
Proceeds in connection with purchase price adjustment	4,547
Redemption of restricted funds as collateral		8,919
Net cash (used in) provided by investing activities	(5,636)	4,585
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings from senior credit facility	175,036	204,296
Payments on senior credit facility	(196,715)	(301,638)
Payments on real estate mortgages	(345)	(304)
Proceeds from issuance of senior subordinate notes		150,000
Debt issuance costs		(3,504)
Payments on senior subordinated notes		(105,792)
Payments on capital leases	(135)	(184)
Proceeds from exercise of stock options	423	410
Tax benefit from exercise of stock options	296	423
Proceeds from issuance of common stock		56,000
Stock issuance costs		(3,074)
Net cash used in financing activities	(21,440)	(3,367)
Effect of exchange rate changes on cash and cash equivalents	2	169
NET INCREASE IN CASH AND CASH EQUIVALENTS	58,247	15,615
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	24,116	18,524
CASH AND CASH EQUIVALENTS AT END OF PERIOD	82,363	34,139
Guarantors [Member]
Condensed Consolidating Statement of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES	69,426	(52,069)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(2,801)	(5,052)
Payment on purchase of intangible assets	(7,000)	(535)
Payment on purchase of operating leases		(904)
Proceeds in connection with purchase price adjustment	4,547
Redemption of restricted funds as collateral		8,919
Net cash (used in) provided by investing activities	(5,254)	2,428
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings from senior credit facility	175,036	204,296
Payments on senior credit facility	(196,715)	(301,638)
Payments on real estate mortgages	(345)	(304)
Payments on capital leases	(135)	(184)
Intercompany transactions	3,431	154,738
Net cash used in financing activities	(18,728)	56,908
NET INCREASE IN CASH AND CASH EQUIVALENTS	45,444	7,267
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	294
CASH AND CASH EQUIVALENTS AT END OF PERIOD	45,739	7,267
Non-Guarantors [Member]
Condensed Consolidating Statement of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES	14,505	40,184
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(382)	(718)
Proceeds on sale of intangible assets		2,875
Net cash (used in) provided by investing activities	(382)	2,157
CASH FLOWS FROM FINANCING ACTIVITIES:
Intercompany transactions	(1,322)	(34,812)
Net cash used in financing activities	(1,322)	(34,812)
Effect of exchange rate changes on cash and cash equivalents	2	169
NET INCREASE IN CASH AND CASH EQUIVALENTS	12,803	7,698
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	23,822	19,174
CASH AND CASH EQUIVALENTS AT END OF PERIOD	36,624	26,872
Eliminations [Member]
Condensed Consolidating Statement of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES		650
CASH FLOWS FROM FINANCING ACTIVITIES:
Intercompany transactions	2	169
Net cash used in financing activities	2	169
Effect of exchange rate changes on cash and cash equivalents	(2)	(169)
NET INCREASE IN CASH AND CASH EQUIVALENTS		650
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD		(650)
Parent Only [Member]
Condensed Consolidating Statement of Cash Flows
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,390	25,463
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of senior subordinate notes		150,000
Debt issuance costs		(3,504)
Payments on senior subordinated notes		(105,792)
Proceeds from exercise of stock options	423	410
Tax benefit from exercise of stock options	296	423
Proceeds from issuance of common stock		56,000
Stock issuance costs		(3,074)
Intercompany transactions	(2,111)	(120,095)
Net cash used in financing activities	(1,392)	(25,632)
Effect of exchange rate changes on cash and cash equivalents	$ 2	$ 169