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Acquisitions Useful Lives of Acquired Intangibles (Details)	12 Months Ended
	Feb. 23, 2018
Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	9 years 11 months
Dealer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	11 years
Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	5 years
AMQ Acquisition Q4 2018 [Member] | Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	9 years
AMQ Acquisition Q4 2018 [Member] | Dealer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	11 years
AMQ Acquisition Q4 2018 [Member] | Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	4 years 7 months

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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