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Business Segment Information (Schedule of Reconciliation of Operating Earnings Before Income Taxes) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Segment Reporting [Abstract]        
Operating earnings $ 32,143 $ 28,426 $ 55,090 $ 51,715
Interest expense, net (3,602) (4,375) (7,285) (9,184)
Other income, net 3,078 2,670 6,169 5,106
Earnings before income taxes $ 31,619 $ 26,721 $ 53,974 $ 47,637