Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 32,507	$ 28,662	$ 49,905	$ 47,329
Other comprehensive income (loss):
Pension liability adjustments, net of tax of $0.5 million and $1.5 million for the three and nine months ended October 31, 2015 and $0.4 million and $1.1 million for the three and nine months ended November 1, 2014	727	521	2,279	1,628
Postretirement liability adjustments, net of tax of $0.1 million and ($0.2 million) for the three and nine months ended October 31, 2015 and $0.0 million for the three and nine months ended November 1, 2014	29	15	(376)	48
Foreign currency translation adjustments	(1,654)	(6,856)	1,618	(3,729)
Total other comprehensive income (loss)	(898)	(6,320)	3,521	(2,053)
Comprehensive income	$ 31,609	$ 22,342	$ 53,426	$ 45,276