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Long-Term Debt - Instrument Details (Details)
$ / shares in Units, $ in Thousands
9 Months Ended
Jul. 01, 2016
Nov. 19, 2013
USD ($)
shares
Sep. 30, 2016
USD ($)
item
$ / shares
shares
Dec. 31, 2015
USD ($)
Jul. 28, 2014
USD ($)
Long-Term Debt          
Shares repurchased | shares     128,000    
Credit Agreement [Member]          
Long-Term Debt          
Maximum borrowing capacity     $ 375,000    
Sublimit for swingline loans     50,000    
Sublimit for letters of credit     30,000    
Revolving Credit Facility          
Long-Term Debt          
Maximum borrowing capacity     375,000    
Percentage of stock in foreign subsidiaries used as collateral 66.00%        
Available borrowing capacity under revolving credit facility     $ 375,000    
Adjusted LIBO Rates at period end, as a percent     2.00% 2.20%  
Senior Notes 5.125 Percent Due 2022 [Member]          
Long-Term Debt          
Face amount of debt issuance     $ 250,000   $ 250,000
Notes stated interest percentage     5.125%    
Restricted assets     $ 0    
Convertible Senior Notes 1.00 percent due 2020 [Member]          
Long-Term Debt          
Face amount of debt issuance     $ 287,500    
Notes stated interest percentage     1.00%    
Net proceeds after fees and stock repurchase   $ 254,200      
Shares repurchased | shares   665,994      
Fair value of debt component   $ 215,800      
Debt instrument, fair value of embedded option   71,700      
Principal balance   $ 287,500 $ 287,500 $ 287,500  
Effective interest rate percentage   5.26%      
Initial conversion price (in dollars per share) | $ / shares     $ 52.35    
Conversion ratio per $1 principal amount     0.019102    
Number of shares to be received upon conversion of debt | item     5,500,000    
Threshold percentage of stock 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 | Revolving Credit Facility | Base Rate          
Long-Term Debt          
Margin (as a percent)     0.00%    
Minimum | Revolving Credit Facility | 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    
Fixed Charge Coverage Ratio, debt covenant     1.50    
Total Net Leverage Ratio related to restricted payments     3.00    
Maximum | Revolving Credit Facility | Base Rate          
Long-Term Debt          
Margin (as a percent)     1.25%    
Maximum | Revolving Credit Facility | 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