Subsequent Events (Details) ft² in Millions, $ in Millions		3 Months Ended
May 12, 2019 USD ($)	Mar. 01, 2020 USD ($) ft²
Subsequent Event [Line Items]
Restructuring charges	$ 35.2
Forecast [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Square feet of owned real estate \| ft²		2.1
Net proceeds from sale-leaseback transaction		$ 250.0
Sale-leaseback transaction loss		33.0
Forecast [Member] \| Employee Severance Related Charges [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Restructuring charges		$ 11.0

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration