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Equity-Based Compensation - Narrative (Details) - USD ($)
12 Months Ended
Jan. 01, 2017
Jan. 01, 2016
Apr. 24, 2014
Oct. 10, 2012
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Stock Options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unrecognized compensation charge         $ 13,500,000    
Stock Options | Chief Executive Officer              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options granted (in shares)     500,000        
Options granted (in dollars per share)     $ 80.94        
Closing price of the common stock (in dollars per share)     $ 161.88        
Consideration period for awards granted     90 days        
Service period for amortization of awards     6 years        
Total fair value of the grant     $ 21,600,000        
Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unrecognized compensation charge         $ 36,200,000    
2012 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Maximum number of shares/notional units available for issuance (shares)       6,750,000      
Annual increase in shares available for issuance (shares)       1,500,000      
Annual increase in the shares available for issuance as a percentage of common stock outstanding as of the last day of immediately preceding fiscal year       3.00%      
2012 Plan | Stock Options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Automatic increase (in shares) 1,044,000 1,071,000          
Vesting period         4 years    
2012 Plan | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period         3 years    
VAR Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Intrinsic value of total stock options exercised         $ 1,600,000 $ 10,600,000 $ 12,700,000
Options granted (in shares)         85,500    
Options granted (in dollars per share)         $ 48.05    
2012 ESPP              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Maximum number of shares/notional units available for issuance (shares)       2,000,000      
Annual increase in shares available for issuance (shares)       1,000,000      
Annual increase in the shares available for issuance as a percentage of common stock outstanding as of the last day of immediately preceding fiscal year       3.00%      
Automatic increase (in shares)   1,000,000          
Maximum percentage of eligible compensation considered for payroll deduction to purchase the common stock       15.00%      
Maximum purchase of shares by participating employees during each offering period       1,000      
Percentage of lower of fair market value of common stock       85.00%      
Number of shares issued under ESPP         233,000    
2012 ESPP | Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Percentage of combined voting power of an employee considered for not granting rights to purchase stock       5.00%      
Minimum worth of stock for each calendar year considered for not granting rights to purchase stock       $ 25,000      
WebDAM | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period         2 years