Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 27,371	$ 25,015	$ 67,661	$ 56,884
Other comprehensive income:
Unrealized gain on interest rate swap, net of $396 and $740 income taxes for the three and six months ended July 28, 2012, respectively and $355 and $658 income taxes for for the three and six months ended July 30, 2011, respectively.	363	598	945	1,108
Defined benefit plan adjustments, net of $1,160 and $2,323 income taxes for the three and six months ended July 28, 2012, respectively and $768 and $1536 income taxes for the three and six months ended July 30, 2011, respectively.	1,957	1,294	3,912	2,587
Total other comprehensive income	2,320	1,892	4,857	3,695
Total comprehensive income	$ 29,691	$ 26,907	$ 72,518	$ 60,579