Long-Term Debt (Long-Term Debt And Capital Lease Obligations Outstanding) (Details) (USD $) In Millions, unless otherwise specified	Jul. 30, 2011		Jan. 29, 2011		Jul. 31, 2010
Total debt	$ 662.1		$ 664.5		$ 768.3
Less: current maturities of long-term debt	5.1		5.1		7.3
Long-term debt	657.0		659.4		761.0
Term Loan Facility [Member]
Total debt	486.8	[1]	489.4	[1]	592.1	[1]
Fair value debt	478.4		489.4		574.4
Senior Subordinated Notes [Member]
Total debt	174.3	[2]	174.1	[2]	174.0	[2]
Fair value debt	175.6		177.8		176.9
Revolving Loan Facility [Member]
Total debt		[3]		[3]		[3]
Revolving loan facility, gross	350.0
Revolving loan facility less outstanding letters of credit	28.6
Revolving loan facility, net	321.4
Variable interest rate, including variable margin	1.13%
Capital-Lease Obligations [Member]
Total debt	1.0		1.0		1.0
Other Long-Term Debt [Member]
Total debt					$ 1.2

[1] As of July 30, 2011, July 31, 2010 and January 29, 2011, the fair value of the Company's Term Loan was $478.4 million, $574.4 million and $489.4 million, respectively, based on market conditions and perceived risks as of those dates.

[2] As of July 30, 2011, July 31, 2010 and January 29, 2011, the fair value of the Company's senior subordinated notes was $175.6 million, $176.9 million and $177.8 million, respectively, based on trading activity as of those dates.

[3] As of July 30, 2011, the Company's borrowing base on its revolving loan facility was $350.0 million less $28.6 million in outstanding letters of credit, or $321.4 million. The variable interest rate, including the applicable variable margin at July 30, 2011, was 1.13%.