Significant Accounting Policies - Changes in Other Comprehensive Income (Loss) by Component (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 27, 2019	Jan. 28, 2018	Jan. 29, 2017
Defined benefit plan
Other comprehensive (loss) before reclassifications - Pre-tax	$ (2,597)	$ 637	$ (2,861)
Other comprehensive (loss) before reclassifications - Tax	116	(253)	447
Other comprehensive (loss) before reclassifications - Net	(2,481)	384	(2,414)
Other
Other comprehensive gain before reclassifications - Pre-tax	0	0	129
Other comprehensive gain before reclassifications - Tax	0	0	0
Other comprehensive gain before reclassifications - Net	0	0	129
Total other comprehensive income (loss)
Total other comprehensive (loss) income - Pre-tax	(2,528)	311	(2,358)
Total other comprehensive (loss) income - Tax	121	(217)	411
Other comprehensive income (loss)	(2,407)	94	(1,947)
Foreign currency cash flow hedges
Derivatives qualifying as hedges
Other comprehensive gain (loss) before reclassifications - Pre-tax	(164)	1,205	586
Other comprehensive gain (loss) before reclassifications - Tax	49	(263)	(64)
Other comprehensive gain (loss) before reclassifications - Net	(115)	942	522
Reclassification adjustments included in Interest expense, net - Pre-tax	233	(1,531)	(260)
Reclassification adjustments included in Interest expense, net - Tax	(44)	299	28
Reclassification adjustments included in Interest expense, net - Net	189	(1,232)	(232)
Interest rate cap
Derivatives qualifying as hedges
Other comprehensive gain (loss) before reclassifications - Pre-tax	0	0	48
Other comprehensive gain (loss) before reclassifications - Tax	0	0	0
Other comprehensive gain (loss) before reclassifications - Net	$ 0	$ 0	$ 48

Other Comprehensive Income, Other [Abstract]

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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