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Summary of Significant Accounting Policies Summary of Signficant Accounting Policies (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Feb. 22, 2019 | Feb. 23, 2018 | Feb. 24, 2017 | Feb. 26, 2016
Accounting Policies [Line Items] |  |  |  |  |
Restricted Cash |  |  | $ 2.5 |  | $ 2.5
Fiscal Year [Abstract] |  |  |  |  |
Number of weeks in quarter |  | P13W | P13W | P13W |
Number of weeks in fiscal year |  | P52W | P52W | P52W |
Workers Compensation [Abstract] |  |  |  |  |
Workers' Compensation Liability, net of associated receivables |  | $ 11.6 | $ 11.5 |  |
Workers' Compensation Liability, Current |  | 3.0 | 3.0 |  |
Workers' Compensation Liability, Noncurrent |  | 12.7 | 12.9 |  |
Workers' Compensation Liability |  | 15.7 | 15.9 |  |
Worker's Compensation Liability, associated receivable |  | 4.1 | 4.4 |  |
Product Liability [Abstract] |  |  |  |  |
Loss Contingency Accrual, Product Liability, Net |  | 3.3 | 5.3 |  |
Loss Contingency Accrual, Product Liability, associated receivables |  | 1.5 | 2.7 |  |
Loss Contingency Accrual, Product Liability, Gross |  | 4.8 | 8.0 |  |
Employee medical, dental and short term liability [Abstract] |  |  |  |  |
Liability for Claims and Claims Adjustment Expense |  | 4.3 | 3.9 |  |
Product Warranties [Abstract] |  |  |  |  |
Product Warranty Accrual, Noncurrent |  | 14.5 | 18.7 |  |
Environmental Matters [Abstract] |  |  |  |  |
Accrual for Environmental Loss Contingencies, Gross |  | 3.1 | 3.2 |  |
Accrual for Environmental Loss Contingencies, Gross |  | 3.6 | $ 3.7 |  |
Accrual for Environmental Loss Contingencies, Discount Rate |  |  | 3.50% |  |
Research and Development Expense [Abstract] |  |  |  |  |
Research and Development Expense |  | 53.7 | $ 44.0 | $ 35.8 |
Financial Instruments [Abstract] |  |  |  |  |
Debt and Capital Lease Obligations |  | 487.0 | 295.0 |  |
Balance Sheet Related Disclosures [Abstract] |  |  |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure |  | 3.9 | 2.1 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure |  | (0.5) | (1.4) |  |
Derivative, Fair Value, Net | [1] | 3.4 | 0.7 |  |
Derivative, Notional Amount |  | 124.6 | 95.7 |  |
Income Statement Related Disclosures [Abstract] |  |  |  |  |
Operating expenses |  | 904.3 | 850.0 | 810.5 |
Other income (expense), net |  | (14.9) | (22.3) | (15.9) |
Derivative Instruments, Gain (Loss) Recognized in Income, Net |  | (4.5) | 1.4 | (0.9) |
Fair Value, Measurements, Recurring [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Restricted Cash |  | 3.5 | 2.5 |  |
Balance Sheet Related Disclosures [Abstract] |  |  |  |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure |  | (0.5) | (1.4) |  |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Restricted Cash |  | 3.5 | 2.5 |  |
Balance Sheet Related Disclosures [Abstract] |  |  |  |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure |  | 0.0 | 0.0 |  |
Forward Contracts [Member] |  |  |  |  |
Income Statement Related Disclosures [Abstract] |  |  |  |  |
Cost of Goods Sold |  | 1.5 | 2.8 | (1.1) |
Operating expenses |  | 0.3 | 0.6 | 0.8 |
Other income (expense), net |  | $ 2.7 | (4.8) | $ 1.2 |
Minimum [Member] |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |
Equity Method Investment, Ownership Percentage |  | 20.00% |  |  |
Product Warranties [Abstract] |  |  |  |  |
Standard Product Warranty Description |  | 3 years |  |  |
Maximum [Member] |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |
Equity Method Investment, Ownership Percentage |  | 50.00% |  |  |
Product Warranties [Abstract] |  |  |  |  |
Standard Product Warranty Description |  | lifetime |  |  |
Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |  |
Financial Instruments [Abstract] |  |  |  |  |
Long-term Debt, Fair Value |  | $ 492.0 | 316.0 |  |
Other Current Liabilities [Member] |  |  |  |  |
Product Liability [Abstract] |  |  |  |  |
Loss Contingency Accrual |  | 0.8 | 1.3 |  |
Other Noncurrent Liabilities [Member] |  |  |  |  |
Product Liability [Abstract] |  |  |  |  |
Loss Contingency Accrual |  | $ 4.0 | $ 6.7 |  |
[1] | The notional amounts of the outstanding foreign exchange forward contracts were $124.6 as of February 22, 2019 and $95.7 as of February 23, 2018.

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