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Income Taxes (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
May 05, 2015 | Jun. 25, 2016 | Jun. 27, 2015 | Jun. 25, 2016 | Jun. 27, 2015 | Dec. 26, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |
Effective tax rate (as a percentage) |  | 34.60% | 18.40% | 31.00% | 12.40% |
Gain on bargain purchase |  |  |  | $ (16) | $ 9,878 |
Increase (decrease) in unrecognized tax benefits |  | $ 1,900 | $ (10,400) |  |  |
Unrecognized tax benefits |  | 25,300 |  | 25,300 |  |
Increase in unrecognized tax benefits that would impact effective tax rate |  |  |  | 2,100 |  |
Unrecognized tax benefits that would impact effective tax rate favorably, if recognized |  | 22,200 |  | 22,200 |  |
Accrued interest on unrecognized tax benefits |  | 1,400 |  | 1,400 |  |
Possible decrease of unrecognized tax benefits |  | 3,000 |  | 3,000 |  |
Income tax expense related to items of other comprehensive income |  | 142 | 263 | 284 | 480 |
Pension and Other Post-Retirement Benefit Plans |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |
Income tax expense related to items of other comprehensive income |  | $ 100 | $ 300 | $ 284 | $ 500 |
Sunrise |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |  |  |
Gain on bargain purchase | $ 9,821 |  |  |  |  | $ 9,900

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