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Summary of Significant Accounting Policies Summary of Signficant Accounting Policies (Details) - USD ($)
$ in Millions
 12 Months Ended
Feb. 23, 2018
Feb. 24, 2017
Feb. 26, 2016
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 $ 11.5 $ 12.3  
Workers' Compensation Liability, Current 3.0 2.4  
Workers' Compensation Liability, Noncurrent 12.9 13.9  
Workers' Compensation Liability 15.9 16.3  
Worker's Compensation Liability, associated receivable 4.4 4.0  
Product Liability [Abstract]      
Loss Contingency Accrual, Product Liability, Net 5.3 6.3  
Loss Contingency Accrual, Product Liability, associated receivables 2.7 2.4  
Loss Contingency Accrual, Product Liability, Gross 8.0 8.7  
Employee medical, dental and short term liability [Abstract]      
Liability for Claims and Claims Adjustment Expense 3.9 4.5  
Product Warranties [Abstract]      
Product Warranty Accrual, Noncurrent 18.7 20.9  
Environmental Matters [Abstract]      
Accrual for Environmental Loss Contingencies, Gross 3.2 3.9  
Accrual for Environmental Loss Contingencies, Gross $ 3.7 $ 4.8  
Accrual for Environmental Loss Contingencies, Discount Rate 3.50% 4.00%  
Research and Development Expense [Abstract]      
Research and Development Expense $ 44.0 $ 35.8 $ 33.0
Financial Instruments [Abstract]      
Debt and Capital Lease Obligations 295.0 297.4  
Balance Sheet Related Disclosures [Abstract]      
Foreign Currency Contract, Asset, Fair Value Disclosure 2.1 3.5  
Foreign Currency Contracts, Liability, Fair Value Disclosure (1.4) (0.9)  
Derivative, Fair Value, Net [1] 0.7 2.6  
Derivative, Notional Amount 95.7 101.2  
Income Statement Related Disclosures [Abstract]      
Operating expenses 850.1 809.3 790.0
Other income (expense), net (21.5) (11.9) (16.3)
Derivative Instruments, Gain (Loss) Recognized in Income, Net 1.4 (0.9) (1.4)
Fair Value, Measurements, Recurring [Member]      
Cash and Cash Equivalents [Abstract]      
Restricted Cash and Cash Equivalents 2.5 2.5  
Balance Sheet Related Disclosures [Abstract]      
Foreign Currency Contracts, Liability, Fair Value Disclosure (1.4) (0.9)  
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]      
Cash and Cash Equivalents [Abstract]      
Restricted Cash and Cash Equivalents 2.5 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 2.8 (1.1) (0.8)
Operating expenses 0.6 0.8 (0.8)
Other income (expense), net $ (4.8) 1.2 $ 3.0
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 $ 316.0 330.0  
Other Current Liabilities [Member]      
Product Liability [Abstract]      
Loss Contingency Accrual 1.3 1.4  
Other Noncurrent Liabilities [Member]      
Product Liability [Abstract]      
Loss Contingency Accrual $ 6.7 $ 7.3  
[1] The notional amounts of the outstanding foreign exchange forward contracts were $95.7 as of February 23, 2018 and $101.2 as of February 24, 2017.