Post Employment Benefit Plans - Additional Information (Details) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 11, 2014 |
Sep. 29, 2017
USD ($)
|
Sep. 30, 2016
USD ($)
|
Sep. 29, 2017
USD ($)
plan
|
Sep. 30, 2016
USD ($)
|
Dec. 31, 2016
USD ($)
|
|
| Defined Contribution Plan Disclosure [Line Items] | ||||||
| Defined contribution plan, number of plans | plan | 1 | |||||
| Portion of contributions charged to income | $ 0.9 | $ 0.9 | $ 2.3 | $ 2.1 | ||
| Excess savings plan | ||||||
| Defined Contribution Plan Disclosure [Line Items] | ||||||
| Benefits plan vesting percentage | 100.00% | |||||
| Contributions accrued by the company | $ 0.1 | $ 0.1 | $ 0.2 | |||