Acquisitions Useful Lives of Acquired Intangibles (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2020	Feb. 22, 2019	Feb. 23, 2018
Dealer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	11 years
Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	9 years 11 months
Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	4 years 8 months
AMQ Acquisition Q4 2018 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired			$ 30.1
AMQ Acquisition Q4 2018 [Member] | Dealer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired			25.5
Weighted average useful life	11 years
AMQ Acquisition Q4 2018 [Member] | Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired			1.3
Weighted average useful life	9 years
AMQ Acquisition Q4 2018 [Member] | Know-How/Design [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	9 years
AMQ Acquisition Q4 2018 [Member] | Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired			$ 3.3
Weighted average useful life	4 years 7 months
Smith System Q2 FY19 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		$ 44.1
Smith System Q2 FY19 [Member] | Dealer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		12.0
Weighted average useful life	11 years
Smith System Q2 FY19 [Member] | Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		12.0
Weighted average useful life	9 years
Smith System Q2 FY19 [Member] | Know-How/Design [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		16.0
Weighted average useful life	9 years
Smith System Q2 FY19 [Member] | Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		4.1
Weighted average useful life	11 months
Orangebox Acquisition Q3 2019 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		42.2
Orangebox Acquisition Q3 2019 [Member] | Dealer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		23.0
Weighted average useful life	10 years 9 months
Orangebox Acquisition Q3 2019 [Member] | Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		13.2
Weighted average useful life	9 years
Orangebox Acquisition Q3 2019 [Member] | Know-How/Design [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		5.0
Weighted average useful life	9 years
Orangebox Acquisition Q3 2019 [Member] | Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired		$ 1.0
Weighted average useful life	2 months