Post-Employment Benefit Plans (Details) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Sep. 30, 2016
USD ($)
|
Sep. 25, 2015
USD ($)
|
Sep. 30, 2016
USD ($)
plan
|
Sep. 25, 2015
USD ($)
|
Dec. 31, 2015
USD ($)
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||||
| Defined contribution savings plan, number of plans | plan | 1 | ||||
| Defined contribution savings plan, portion of matching contributions charged to income | $ 900,000 | $ 900,000 | $ 2,100,000 | $ 2,100,000 | |
| Document period end date | Sep. 30, 2016 | ||||
| Excess Savings Plan | |||||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||||
| Maximum allowed employee contributions | $ 0 | ||||
| Period following employee separation date when benefits will be paid | 7 months | ||||
| Vested percentage | 100.00% | ||||
| Contributions accrued by the Company | $ 200,000 | $ 200,000 | $ 200,000 | ||