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Long-Term Debt - Instrument Details (Details)
12 Months Ended
Nov. 19, 2013
USD ($)
shares
Dec. 31, 2016
USD ($)
item
$ / shares
Jan. 03, 2017
USD ($)
Dec. 31, 2015
USD ($)
Jul. 28, 2014
USD ($)
Long-Term Debt          
Amount convertible at end of period   $ 0      
Restricted assets   $ 0      
Credit Agreement [Member]          
Long-Term Debt          
Percentage of stock in foreign subsidiaries used as collateral   66.00%      
Revolving Credit Facility          
Long-Term Debt          
Maximum borrowing capacity   $ 375,000,000      
Sublimit for swingline loans   50,000,000      
Sublimit for letters of credit   $ 30,000,000      
Adjusted LIBO Rates at period end, as a percent   4.00%   2.00%  
Revolving Credit Facility | Subsequent Event [Member]          
Long-Term Debt          
Maximum borrowing capacity     $ 600,000,000    
Senior Notes 5.125 Percent Due 2022 [Member]          
Long-Term Debt          
Face amount of debt issuance   $ 250,000,000     $ 250,000,000
Interest rate, as a percentage   5.125%      
Convertible Senior Notes 1.00 percent due 2020 [Member]          
Long-Term Debt          
Face amount of debt issuance   $ 287,500,000      
Interest rate, as a percentage   1.00%      
Net proceeds after fees and shares repurchase $ 254,200,000        
Shares repurchased | shares 665,994        
Fair value of debt component $ 215,800,000        
Debt instrument, fair value of embedded option $ 71,700,000 $ 71,700,000      
Principal balance   $ 287,500,000   $ 287,500,000  
Effective interest rate percentage 5.26%        
Conversion price (in dollars per share) | $ / shares   $ 52.35      
Conversion ratio per $1 principal amount   0.0191022      
Number of shares to be received upon conversion of debt | item   5,500,000      
Threshold percentage of share price that triggers conversion   135.00%      
Debt conversion, threshold trading days | item   20      
Debt conversion, threshold consecutive trading days   30 days      
Percentage of the total voting power of all classes of common equity as defined as a fundamental change per the terms of the debt agreement   50.00%      
Change in control conversion price, as percentage of par plus interest   100.00%      
Debt Instrument, Convertible, Consecutive Trading Days Available for Conversion   10 days      
Debt Instrument, Convertible, Threshold Consecutive Trading Days   5 days      
Debt Instrument, Convertible, Threshold Percentage of Conversion   98.00%      
Minimum | Credit Agreement [Member]          
Long-Term Debt          
Fixed Charge Coverage Ratio, debt covenant   1.50      
Minimum | Credit Agreement [Member] | Base Rate          
Long-Term Debt          
Margin (as a percent)   0.00%      
Minimum | Credit Agreement [Member] | LIBOR          
Long-Term Debt          
Margin (as a percent)   1.00%      
Maximum | Credit Agreement [Member]          
Long-Term Debt          
Senior Secured Net Leverage Ratio, debt covenant   2.25      
Total Net Leverage Ratio, debt covenant   4.00      
Total Net Leverage Ratio related to restricted payments   3.00      
Maximum | Credit Agreement [Member] | Base Rate          
Long-Term Debt          
Margin (as a percent)   1.25%      
Maximum | Credit Agreement [Member] | LIBOR          
Long-Term Debt          
Margin (as a percent)   2.25%      
Under Accordion Feature of Credit Agreement Per Lender Approval [Member] | Revolving Credit Facility          
Long-Term Debt          
Maximum borrowing capacity   $ 500,000,000      
Under Accordion Feature of Credit Agreement Per Lender Approval [Member] | Revolving Credit Facility | Subsequent Event [Member]          
Long-Term Debt          
Maximum borrowing capacity     $ 0