Derivative Financial Instruments Income Statement Location (Details) - Designated As Hedging [Member] - Interest Rate Swap [Member] - Cash Flow Hedging [Member] - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 25, 2016 |
Sep. 27, 2015 |
Sep. 25, 2016 |
Sep. 27, 2015 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion) | $ 0 | $ (5,237) | $ (4,671) | $ (9,393) |
| Interest Expense [Member] | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Amount and Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) | 0 | 0 | (851) | 0 |
| Net Effect of Swaps [Member] | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Amount and Location of Gain (Loss) Recognized in Income on Derivatives | $ 715 | $ 3,125 | $ (2,596) | $ 8,021 |