Annual report pursuant to Section 13 and 15(d)

Income Taxes, Tax Credits and Unrecognized Tax Benefits (Details)

v3.3.1.900
Income Taxes, Tax Credits and Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Tax Credit Carryforward [Line Items]      
Tax credit carryforwards $ 60.8    
Undistributed earnings of foreign subsidiaries considered indefinitely reinvested 214.1 $ 65.0  
Gross unrecognized tax benefits, including interest 4.8 5.1 $ 6.3
Unrecognized tax benefits that would impact tax provision and effective tax rate 4.8 5.0 5.9
Accrued interest related to unrecognized tax benefits 0.1 0.3 0.3
Accrued penalties 0.0 0.0 $ 0.0
Reconciliation of the total amounts of unrecognized tax benefits [Roll Forward]      
Balance at January 1 4.8 6.0  
Gross increases - tax positions prior periods 0.4 0.5  
Gross decreases - tax positions prior periods (0.1) (0.4)  
Gross increases - current period tax positions 0.5 0.7  
Decreases - settlements with taxing authorities (0.6) (0.7)  
Reductions - lapse of statute of limitations 0.0 (1.2)  
Other (0.3) 0.1  
Balance at December 31 4.7 $ 4.8  
General Business Credits [Member]      
Tax Credit Carryforward [Line Items]      
Tax credit carryforwards 25.5    
State Tax Credits [Member]      
Tax Credit Carryforward [Line Items]      
Tax credit carryforwards $ 35.3