Derivative Financial Instruments - Gain loss on derivatives (Details) - Cash flow hedges. - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Derivative Financial Instruments
Other comprehensive (loss) income before reclassifications	$ (11,988)	$ 543	$ (17,086)	$ 2,630
Amounts reclassified from accumulated other comprehensive (loss) income	(77)	626	(593)	1,339
Interest rate contracts \| Interest Expense
Derivative Financial Instruments
Other comprehensive (loss) income before reclassifications	(12,943)	(255)	(18,138)	785
Amounts reclassified from accumulated other comprehensive (loss) income	99	153	113	307
Foreign exchange contract \| Cost of sales
Derivative Financial Instruments
Other comprehensive (loss) income before reclassifications	955	798	1,052	1,845
Amounts reclassified from accumulated other comprehensive (loss) income	$ (176)	$ 473	$ (706)	$ 1,032

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 55
-Paragraph 15
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 220
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-URI http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581

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