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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 29, 2018 | Sep. 30, 2017 | Sep. 29, 2018 | Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |  |
Pre-tax share-based compensation expense | $ 10.9 | $ 12.6 | $ 34.2 | $ 32.0
After-tax share-based compensation expense | 8.7 | $ 9.0 | 26.2 | $ 23.6
Total unrecognized compensation cost related to non-vested awards | $ 91.4 |  | $ 91.4 |
Weighted-average period of recognition for unrecognized compensation costs on nonvested awards (in years) |  |  | 2 years 2 months 6 days |
Time Based Restricted Stock Restricted Units [Member] | 2013 Stock Incentive Plan, as amended [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  | 4 years |
Time Based Restricted Stock Restricted Units [Member] | 2015 Non-Employee Director Stock Incentive Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  | 12 months |
Performance Based Restricted Stock Restricted Units [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  | 3 years |
Period Over Which Earnings Per Share Performance Is Measured Against Specified Targets |  |  | 3 years |

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