Summary of Significant Accounting Policies - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	May 05, 2018	Apr. 29, 2017	Feb. 03, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 830,704	$ 922,521	$ 922,521
Amounts reclassified from AOCI:
Amortization of net actuarial loss	224
Income tax expense	58
Total other comprehensive income (loss)	(7,698)	2,345	22,100
Ending Balance	828,839	912,862	830,704
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(20,808)
Amounts reclassified from AOCI:
Income tax expense	0
Total other comprehensive income (loss)	(7,864)
Ending Balance	(28,672)		(20,808)
Accumulated Foreign Currency Adjustment Attributable to Parent, Excluding Intra-Entity Transactions
Other comprehensive income (loss) before reclassifications:
Other comprehensive income (loss) before reclassifications	(6,890)
Accumulated Foreign Currency Adjustment Attributable to Parent, Intra-Entity Transactions
Other comprehensive income (loss) before reclassifications:
Other comprehensive income (loss) before reclassifications	(974)
Unrecognized Pension/Postretirement Benefit Costs
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(8,384)
Amounts reclassified from AOCI:
Amortization of net actuarial loss	224
Income tax expense	58
Total other comprehensive income (loss)	166
Ending Balance	(8,218)		(8,384)
Total Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(29,192)	$ (51,292)	(51,292)
Amounts reclassified from AOCI:
Total other comprehensive income (loss)	(7,698)		22,100
Ending Balance	$ (36,890)		$ (29,192)