EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
EARNINGS PER SHARE
Earnings from continuing operations	$ 33,034	$ 13,891	$ 34,168	$ 26,296
Income (loss) from discontinued operations, net of tax	14	52	(58)	15
Net earnings	$ 33,048	$ 13,943	$ 34,110	$ 26,311
Basic average number of common shares outstanding during period	53,146,000	52,952,000	53,110,000	52,901,000
Common shares assumed issued upon exercise of dilutive stock options, net of assumed repurchase, at the average market price	651,000	697,000	765,000	691,000
Diluted average number of common shares assumed outstanding during period	53,797,000	53,649,000	53,875,000	53,592,000
Basic earnings per share:
Earnings from continuing operations (in dollars per share)	$ 0.62	$ 0.26	$ 0.64	$ 0.49
Basic earnings per share (in dollars per share)	$ 0.62	$ 0.26	$ 0.64	$ 0.49
Diluted earnings per share:
Earnings from continuing operations (in dollars per share)	$ 0.61	$ 0.26	$ 0.63	$ 0.49
Diluted earnings per share (in dollars per share)	$ 0.61	$ 0.26	$ 0.63	$ 0.49
Additional disclosures
Outstanding options and restricted stock units (in shares)	2,382,000	2,682,000	2,382,000	2,682,000
Anti-dilutive stock options excluded from computation of diluted earnings per share (in shares)	706,000	888,000	503,000	830,000