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Stock-Based Compensation (Stock Options Activity) (Details)
$ / shares in Units, $ in Millions
 6 Months Ended
Jul. 01, 2016
USD ($)
$ / shares
shares
Stock Option Activity (in shares)  
Options Outstanding, Beginning | shares 1,678,900
Granted | shares 235,856
Exercised | shares (27,540)
Forfeited or expired | shares (37,708)
Adjustment due to Spin-off, Number of Shares | shares 0
Options Outstanding, Ending | shares 1,849,508
Options Exercisable | shares 1,443,941
Weighted Average Exercise Price (in dollars per share)  
Options Outstanding, Beginning | $ / shares $ 28.32
Granted | $ / shares 50.69
Exercised | $ / shares (22.13)
Forfeited or expired | $ / shares (45.04)
Adjustment due to Spin-off, Weighted Average Exercise Price | $ / shares (2.02)
Options Outstanding, Ending | $ / shares 28.91
Options Exercisable | $ / shares $ 23.91
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]  
Options Outstanding, Weighted Average Remaining Contractual Term 6 years 1 month 6 days
Options Exercisable, Weighted Average Remaining Contractual Term 5 years 3 months 18 days
Options Outstanding, Intrinsic Value | $ $ 14.3
Options Exercisable, Intrinsic Value | $ $ 14.3