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Disclosures about Fair Values of Financial Instruments (Tables)
 3 Months Ended
Apr. 01, 2017
Fair Value Disclosures [Abstract]  
Schedule of Fair Values of 2016 First Lien Term Loan, Senior Unsecured Notes and Contingent Consideration

The following table summarizes the fair values of the 2016 First Lien Term Loan, the Senior Unsecured Notes and the contingent consideration:

 

     April 1, 2017      December 31, 2016  
     Level 2      Level 3      Level 2      Level 3  

2016 First Lien Term Loan

    $ 703,688        —        $ 705,425      $ —    

Senior Unsecured Notes

      408,000        —          404,000        —    

Contingent consideration (see Note 14)

      —          —          —          9,875