Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details)

v3.10.0.1
Significant Accounting Policies (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jan. 01, 2019
Significant Accounting Policies [Line Items]        
Percentage of the Company's Inventories Utilizing First In, First Out Method (FIFO) 57.00% 57.00%    
Amount Last In, First Out (LIFO) Inventory Method is Below First In, First Out (FIFO) Inventory Method in Inventory Calculation $ 135.5 $ 124.9    
Effect of LIFO Inventory Liquidation on Income 0.0 0.0 $ 0.0  
Accumulated Capitalized Interest Costs 2.2 4.6    
Capital Expenditures Incurred but Not yet Paid 65.5 31.0    
Gains on the Sale of Property 0.4 0.9 0.4  
Losses on the Sale and Disposal of Property (1.0) (2.3) (0.5)  
Net Gains (Losses) on Sale and Disposal of Property (0.6) (1.4) (0.1)  
Assets Held-for-sale, Not Part of Disposal Group 8.9 12.7    
Goodwill, Impairment Loss 0.0 0.0 0.0  
Impairment of Long-Lived Assets 13.1 31.0 2.4  
Amounts of Accounts Receivable Under Sale Arrangements, Long-Term Portion 41.1 30.2    
Advertising Costs 35.2 30.5 27.1  
Trademark Licensing Deferred Income 20.7      
Cost of Sales [Member]        
Significant Accounting Policies [Line Items]        
Prior Period Reclassification Adjustment   4.3 7.3  
Selling, General and Administrative Expenses [Member]        
Significant Accounting Policies [Line Items]        
Prior Period Reclassification Adjustment   $ 5.5 8.1  
Accounting Standards Update 2018-11 [Member] | Scenario, Forecast [Member]        
Significant Accounting Policies [Line Items]        
Estimated Right-Of-Use Assets Recognized Resulting from Adoption of Accounting Standards Update 2018-11       $ 100.0
Cybex [Member]        
Significant Accounting Policies [Line Items]        
Finite-Lived Intangible Assets, Net $ 2.6      
Intangible Asset Impairments [Member]        
Significant Accounting Policies [Line Items]        
Trade Name Impairments     $ 0.0  
Minimum [Member]        
Significant Accounting Policies [Line Items]        
Amortization Period for Customer Relationships and Trade Names 3 years      
Maximum [Member]        
Significant Accounting Policies [Line Items]        
Amortization Period for Customer Relationships and Trade Names 16 years      
Building and Building Improvements [Member] | Minimum [Member]        
Significant Accounting Policies [Line Items]        
Asset Depreciable Life (in Years) 5 years      
Building and Building Improvements [Member] | Maximum [Member]        
Significant Accounting Policies [Line Items]        
Asset Depreciable Life (in Years) 40 years      
Equipment [Member] | Minimum [Member]        
Significant Accounting Policies [Line Items]        
Asset Depreciable Life (in Years) 2 years      
Equipment [Member] | Maximum [Member]        
Significant Accounting Policies [Line Items]        
Asset Depreciable Life (in Years) 20 years      
Tools, Dies and Molds [Member] | Maximum [Member]        
Significant Accounting Policies [Line Items]        
Asset Depreciable Life (in Years) 8 years      
Software Development [Member] | Minimum [Member]        
Significant Accounting Policies [Line Items]        
Asset Depreciable Life (in Years) 3 years      
Software Development [Member] | Maximum [Member]        
Significant Accounting Policies [Line Items]        
Asset Depreciable Life (in Years) 7 years