Goodwill & Other Intangible Assets Intangible Assets (Details) - USD ($) $ in Millions		12 Months Ended
		Feb. 22, 2019		Feb. 23, 2018	Feb. 24, 2017
Schedule Of Intangible Assets By Major ClassLine Items [Line Items]
Intangible assets amortization expense		$ 12.3		$ 1.3	$ 1.0
Finite-lived intangible assets, gross		162.3		77.4
Finite-lived intangible assets, accumulated amortization		55.8		44.6
Finite-lived intangible assets, net		106.5		32.8
Indefinite-lived intangible assets, gross		12.8		12.8
Indefinite-lived intangible assets, accumulated amortization		0.0		0.0
Indefinite-lived intangible assets, net		12.8		12.8
Other intangible assets, gross		175.1		90.2
Other intangible assets, net		119.3		45.6
Estimated Amortization Expense, Fiscal Year Maturity [Abstract]
Amortization expense, 2019		12.4
Amortization expense, 2020		11.9
Amortization expense, 2021		11.7
Amortization expense, 2022		11.6
Amortization expense, 2023		11.1
Amortization Expense, 2019-2023 Total		$ 58.7
Patented Technology [Member]
Schedule Of Intangible Assets By Major ClassLine Items [Line Items]
Weighted average useful life		9 years 9 months
Finite-lived intangible assets, gross		$ 26.8		26.8
Finite-lived intangible assets, accumulated amortization		23.8		23.4
Finite-lived intangible assets, net		3.0		3.4
Know-How/Design [Member]
Schedule Of Intangible Assets By Major ClassLine Items [Line Items]
Finite-lived intangible assets, gross		21.0	[1]	0.0
Finite-lived intangible assets, accumulated amortization		1.3	[1]	0.0
Finite-lived intangible assets, net		$ 19.7	[1]	0.0
Non-compete agreements [Member]
Schedule Of Intangible Assets By Major ClassLine Items [Line Items]
Weighted average useful life		6 years 2 months
Finite-lived intangible assets, gross		$ 1.2		1.2
Finite-lived intangible assets, accumulated amortization		1.2		1.2
Finite-lived intangible assets, net		$ 0.0		0.0
Trademarks [Member]
Schedule Of Intangible Assets By Major ClassLine Items [Line Items]
Weighted average useful life		9 years 11 months
Finite-lived intangible assets, gross	[2]	$ 35.8	[1]	11.2
Finite-lived intangible assets, accumulated amortization	[2]	11.0	[1]	9.9
Finite-lived intangible assets, net	[2]	$ 24.8	[1]	1.3
Dealer relationships [Member]
Schedule Of Intangible Assets By Major ClassLine Items [Line Items]
Weighted average useful life		11 years
Finite-lived intangible assets, gross	[2]	$ 57.0	[1]	25.5
Finite-lived intangible assets, accumulated amortization	[2]	4.1	[1]	0.4
Finite-lived intangible assets, net	[2]	$ 52.9	[1]	25.1
Other Intangible Assets [Member]
Schedule Of Intangible Assets By Major ClassLine Items [Line Items]
Weighted average useful life		4 years 8 months
Finite-lived intangible assets, gross	[2]	$ 20.5	[1]	12.7
Finite-lived intangible assets, accumulated amortization	[2]	14.4	[1]	9.7
Finite-lived intangible assets, net	[2]	6.1	[1]	3.0
Other category [Member]
Schedule Of Intangible Assets By Major ClassLine Items [Line Items]
Intangible asset impairment charges		$ 0.0		$ 0.0

[1] In 2019, we acquired Smith System Manufacturing Company, resulting in additional intangible assets in the Americas segment. We also acquired Orangebox Group Limited resulting in additional intangible assets in the Americas and EMEA segments. See Note 20 for additional information.

[2] (1)In 2018, we acquired AMQ Solutions and certain assets of Tricom Vision Limited resulting in additional intangible assets in the Americas segment. See Note 20 for additional information.