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Summary of Significant Accounting Policies - Stock-Based Compensation and Income Taxes (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
offering_period
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Dec. 31, 2013
USD ($)
$ / shares
shares
Jan. 20, 2015
shares
Employee stock-based awards        
Stock-based compensation | $ $ 27,585 $ 29,624 $ 30,354  
Stock-based compensation expense (income), net of tax | $ $ 19,679 $ 21,886 $ 22,085  
Earnings per share basic | $ / shares   $ 0.11 $ 0.12  
Earnings per share diluted | $ / shares     $ 0.11  
Stock-based compensation expense per basic and diluted share (in dollars per share) | $ / shares $ 0.09      
Excess tax benefits from stock-based compensation | $ $ 327 $ (60) $ 2,389  
Total amount of shares of common stock reserved and available for issuance pursuant to awards granted under the 2014 Plan (in shares) 43,253,839      
Employee Stock Purchase Plan        
Employee stock purchase plan, shares available for grant 455,811      
Employee stock-based awards, unrecognized compensation costs on nonvested awards | $ $ 35,303      
Employee stock-based awards, weighted average recognition period 1 year 10 months 24 days      
Increase in tax provision | $   46    
Restricted Stock Units (RSUs)        
Dividends accrued and paid        
Accrued cash dividends | $ $ 2,508 3,698 1,854  
Cash dividends paid | $ 2,927 1,377 820  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options        
Total fair value of shares or units vested | $ $ 24,345 22,535 16,638  
Ten Year Vesting Options        
Employee stock-based awards        
Award vesting period 10 years      
Contractual term of awards 12 years      
Certain options as a percentage of total outstanding options 7.40%      
Five Year Vesting Options        
Employee stock-based awards        
Award vesting period 5 years      
Three Year Vesting Options        
Employee stock-based awards        
Award vesting period 3 years      
Contractual term of awards 10 years      
Certain options as a percentage of total outstanding options 41.00%      
Stock And Cash Incentive Plan 2014        
Employee stock-based awards        
Total amount of shares of common stock reserved and available for issuance pursuant to awards granted under the 2014 Plan (in shares)       7,750,000
Restricted Stock Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options        
Total fair value of shares or units vested | $ $ 0 $ 1 $ 1  
Stock Options        
Employee stock-based awards        
Weighted average fair value of options granted (in dollars per share) | $ / shares $ 4.84 $ 5.70 $ 7.69  
Weighted average assumptions used for grants        
Expected volatility (as a percent) 28.40% 34.00% 33.80%  
Risk-free interest rate (as a percent) 1.70% 2.04% 1.13%  
Expected dividend yield (as a percent) 5.00% 4.00% 3.00%  
Expected life of the option 5 years 4 months 24 days 6 years 8 months 12 days 6 years 3 months 18 days  
Summary of option activity        
Options outstanding balance, beginning of period (in shares) 3,678,246      
Options granted (in shares) 787,224      
Options exercised (in shares) (719,300)      
Options forfeited (in shares) (34,144)      
Options expired (in shares) (23,212)      
Options outstanding balance, end of period (in shares) 3,688,814 3,678,246    
Options exercisable balance (in shares) 2,386,622      
Options expected to vest (in shares) 1,241,658      
Weighted Average Exercise Price        
Weighted average exercise price, options outstanding balance beginning of period (in dollars per share) | $ / shares $ 23.37      
Weighted average exercise price, options granted (in dollars per share) | $ / shares 42.21      
Weighted average exercise price, options exercised (in dollars per share) | $ / shares 21.23      
Weighted average exercise price, options forfeited (in dollars per share) | $ / shares 25.64      
Weighted average exercise price, options expired (in dollars per share) | $ / shares 22.19      
Weighted average exercise price, options outstanding balance end of period (in dollars per share) | $ / shares 27.79 $ 23.37    
Weighted average exercise price, options exercisable (in dollars per share) | $ / shares 22.96      
Weighted average exercise price, options expected to vest (in dollars per share) | $ / shares $ 36.56      
Weighted average remaining contractual term        
Weighted average remaining contractual term, options outstanding 5 years 6 months 22 days      
Weighted average remaining contractual term, options exercisable 3 years 11 months 16 days      
Weighted average remaining contractual term, options expected to vest 8 years 5 months 23 days      
Aggregate intrinsic value        
Aggregate intrinsic value, options outstanding | $ $ 12,086      
Aggregate intrinsic value, options exercisable | $ 11,472      
Aggregate intrinsic value, options expected to vest | $ 595      
Aggregate intrinsic value of stock options exercised        
Aggregate intrinsic value of stock options exercised | $ $ 9,056 $ 23,178 $ 11,024  
Stock Options | Share-based Compensation Award, Tranche Two [Member]        
Employee stock-based awards        
Certain options as a percentage of total outstanding options 51.60%      
Employee Stock Purchase Plan        
Employee Stock Purchase Plan        
Employee stock purchase plan, number of offering periods | offering_period 2      
Employee stock purchase plan, duration of offering periods 6 months      
Employee stock purchase plan, maximum employee subscription rate percent 15.00%      
Percentage of market price for the purchase of shares 95.00%      
Employee stock purchase plan, shares issued in period 122,209 115,046 144,432  
Employee stock purchase plan, shares available for grant 838,429      
Restricted Stock and Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options        
Non-vested at the beginning of the period (in shares) 1,405,569      
Granted (in shares) 623,936      
Vested (in shares) (696,871)      
Forfeited (in shares) (115,037)      
Non-vested at the end of the period (in shares) 1,217,597 1,405,569    
Weighted average grant date fair value        
Weighted average grant date fair value, non-vested, beginning of period (in dollars per share) | $ / shares $ 28.78      
Weighted average grant date fair value, granted (in dollars per share) | $ / shares 37.42      
Weighted average grant date fair value, vested (in dollars per share) | $ / shares 31.26      
Weighted average grant date fair value, forfeited (in dollars per share) | $ / shares 32.86      
Weighted average grant date fair value, non-vested, end of period (in dollars per share) | $ / shares $ 33.68 $ 28.78    
Restricted Stock and Restricted Stock Units | Minimum        
Employee stock-based awards        
Award vesting period 3 years      
Restricted Stock and Restricted Stock Units | Maximum        
Employee stock-based awards        
Award vesting period 5 years      
Performance units        
Employee stock-based awards        
Award vesting period 3 years      
Dividends accrued and paid        
Accrued cash dividends | $ $ 874 $ 1,341 $ 681  
Cash dividends paid | $ $ 1,015 $ 312 0  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options        
Non-vested at the beginning of the period (in shares) 379,057      
Granted (in shares) 159,334      
Vested (in shares) (84,385)      
Forfeited (in shares) (20,201)      
Non-vested at the end of the period (in shares) 433,805 379,057    
Total fair value of shares or units vested | $ $ 2,107 $ 1,216 $ 2,962  
Weighted average grant date fair value        
Weighted average grant date fair value, non-vested, beginning of period (in dollars per share) | $ / shares $ 30.80      
Weighted average grant date fair value, granted (in dollars per share) | $ / shares 39.24      
Weighted average grant date fair value, vested (in dollars per share) | $ / shares 29.62      
Weighted average grant date fair value, forfeited (in dollars per share) | $ / shares 31.27      
Weighted average grant date fair value, non-vested, end of period (in dollars per share) | $ / shares $ 34.11 $ 30.80    
Performance units disclosure        
Period of anniversary from the date of grant 1 year      
Qualifying age for grant of performance units 55 years      
Qualifying service period 10 years      
Percentage of achievement of the predefined revenue and ROIC targets 0.00%      
Performance units | Revenue or revenue growth and return on invested capital | PUs granted prior to 2014        
Performance units disclosure        
Performance period 1 year      
Performance units | Revenue or revenue growth and return on invested capital | PUs granted in 2014        
Performance units disclosure        
Performance period 3 years      
Performance units | Market condition associated with shareholder return of common stock        
Performance units disclosure        
Performance period 3 years      
Performance units | Minimum | Revenue or revenue growth and return on invested capital | PUs granted prior to 2014        
Performance units disclosure        
Percentage payout rate 0.00%      
Performance units | Minimum | Revenue or revenue growth and return on invested capital | PUs granted in 2014        
Performance units disclosure        
Percentage payout rate 0.00%      
Performance units | Minimum | Market condition associated with shareholder return of common stock        
Performance units disclosure        
Percentage payout rate 0.00%      
Performance units | Maximum | Revenue or revenue growth and return on invested capital | PUs granted prior to 2014        
Performance units disclosure        
Percentage payout rate 150.00%      
Performance units | Maximum | Revenue or revenue growth and return on invested capital | PUs granted in 2014        
Performance units disclosure        
Percentage payout rate 200.00%      
Performance units | Maximum | Market condition associated with shareholder return of common stock        
Performance units disclosure        
Percentage payout rate 200.00%      
Original PU Awards        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options        
Non-vested at the beginning of the period (in shares) 461,666      
Granted (in shares) 159,334 225,429 198,869  
Vested (in shares) (80,035)      
Forfeited (in shares) (20,201)      
Non-vested at the end of the period (in shares) 520,764 461,666    
PUs Adjustment        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options        
Non-vested at the beginning of the period (in shares) (82,609)      
Granted (in shares) 0      
Vested (in shares) (4,350)      
Non-vested at the end of the period (in shares) (86,959) (82,609)    
Continuing Operations        
Employee stock-based awards        
Stock-based compensation | $ $ 27,585 $ 29,624 $ 30,354  
Continuing Operations | Cost of sales (excluding depreciation and amortization)        
Employee stock-based awards        
Stock-based compensation | $ 220 680 293  
Continuing Operations | Selling, general and administrative expenses        
Employee stock-based awards        
Stock-based compensation | $ $ 27,365 $ 28,944 $ 30,061