Shareholders' Equity (Schedule of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Accumulated Other Comprehensive (Loss) Income [Line Items]
Balance, beginning	$ (30,434)
Tax benefit	6,032	$ 7,502
Other comprehensive (loss) income	656	1,810
Balance, ending	(29,778)	(4,054)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Balance, beginning	192	(900)
Other comprehensive (loss) income before reclassifications	(540)	2,310
Other comprehensive (loss) income	(540)	2,310
Balance, ending	(348)	1,410
Pension and Other Postretirement Transactions [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Balance, beginning	(30,084)	(5,356)
Amounts reclassified from accumulated other comprehensive loss	679	(477)
Tax benefit	(261)	189
Amounts reclassified from accumulated other comprehensive loss	418	(288)
Other comprehensive (loss) income	418	(288)
Balance, ending	(29,666)	(5,644)
Derivative Transactions [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Balance, beginning	(542)	392
Other comprehensive (loss) income before reclassifications	753	(288)
Amounts reclassified from accumulated other comprehensive loss	47	123
Tax benefit	(22)	(47)
Amounts reclassified from accumulated other comprehensive loss	25	76
Other comprehensive (loss) income	778	(212)
Balance, ending	236	180
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Balance, beginning	(30,434)	(5,864)
Other comprehensive (loss) income before reclassifications	213	2,022
Amounts reclassified from accumulated other comprehensive loss	726	(354)
Tax benefit	(283)	142
Amounts reclassified from accumulated other comprehensive loss	443	(212)
Other comprehensive (loss) income	656	1,810
Balance, ending	$ (29,778)	$ (4,054)