Investments In Unconsolidated Affiliates (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 23, 2018	Feb. 24, 2017	Feb. 26, 2016
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	$ 41.5	$ 43.8
Cost Method Investments	6.9	6.7
Investments in unconsolidated affiliates	48.4	50.5
Equity in income of unconsolidated affiliates	12.8	9.7	$ 13.4
Proceeds from Equity Method Investment, Distribution	10.3	9.9	12.5
Revenue from Related Parties	254.7	270.0	273.3
Due to Affiliate	12.1	10.6	10.6
Summarized Financial Information [Abstract]
Equity Method Investment, Summarized Financial Information, Current Assets	225.0	177.3
Equity Method Investment, Summarized Financial Information, Noncurrent Assets	56.3	37.9
Equity Method Investment, Summarized Financial Information, Assets	281.3	215.2
Equity Method Investment, Summarized Financial Information, Current Liabilities	146.9	98.6
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities	8.7	9.9
Equity Method Investment, Summarized Financial Information, Liabilities	155.6	108.5
Equity Method Investment, Summarized Financial Information, Revenue	708.9	649.1	635.1
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)	214.7	182.2	182.1
Equity Method Investment, Summarized Financial Information, Income (Loss) before income tax	54.6	40.8	43.5
Equity Method Investment, Summarized Financial Information, Net Income (Loss)	45.3	36.9	40.4
Equity Method Investee, Total Dealers [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	26.0	25.2
Equity in income of unconsolidated affiliates	$ 8.5	$ 8.0	6.9
Equity Method Investee, Manufacturing Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	49.00%	49.00%
Equity Method Investments	$ 9.4	$ 8.7
Equity in income of unconsolidated affiliates	3.3	$ 1.1	4.8
Equity Method Investee, Other [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal	$ 13.9		8.5
Noncontrolling Interest, Ownership Percentage by Parent	5.00%	10.00%
Equity Method Investments	$ 6.1	$ 9.9
Equity in income of unconsolidated affiliates	1.0	0.6	$ 1.7
Cost Method Investee, Total Dealers [Member] [Member]
Schedule of Equity Method Investments [Line Items]
Cost Method Investments	5.8	5.8
Cost Method Investee, Other [Member]
Schedule of Equity Method Investments [Line Items]
Cost Method Investments	$ 1.1	$ 0.9
Minimum [Member] \| Equity Method Investee, Total Dealers [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	25.00%	20.00%
Minimum [Member] \| Equity Method Investee, Other [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	5.00%	10.00%
Minimum [Member] \| Cost Method Investee, Total Dealers [Member] [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	1.00%	1.00%
Minimum [Member] \| Cost Method Investee, Other [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	1.00%	1.00%
Maximum [Member] \| Equity Method Investee, Total Dealers [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	40.00%	40.00%
Maximum [Member] \| Equity Method Investee, Other [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	28.00%	35.00%
Maximum [Member] \| Cost Method Investee, Total Dealers [Member] [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	10.00%	10.00%
Maximum [Member] \| Cost Method Investee, Other [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	10.00%	10.00%
Equity Method Investee, Other [Member] \| Equity Method Investee, Other [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal	$ 10.0
Equity Method Investee, Other [Member] \| Equity Method Investee, Other [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal	$ 3.9

The amount of income before income tax reported by an equity method investment of the entity.

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Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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