Post Employment Benefit Plans - Additional Information (Details) $ in Millions |
3 Months Ended | |||
|---|---|---|---|---|
Sep. 11, 2014 |
Mar. 30, 2018
USD ($)
plan
|
Mar. 31, 2017
USD ($)
|
Dec. 31, 2017
USD ($)
|
|
| Retirement Benefits [Abstract] | ||||
| Defined contribution plan, number of plans | plan | 1 | |||
| Portion of contributions charged to income | $ 1.2 | $ 0.7 | ||
| Benefits plan vesting percentage | 100.00% | |||
| Contributions accrued by the company | $ 0.1 | $ 0.1 | ||