EQUITY AND REDEEMABLE NONCONTROLLING INTEREST - Changes to Accumulated Other Comprehensive Income (Loss), Net of Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Increase (Decrease) in Stockholders' Equity
Beginning balance	$ 737,556	$ 675,927	$ 644,077
Other comprehensive loss before reclassifications	(132,296)	(61,047)
Amounts reclassified from accumulated other comprehensive income (loss)	1,711	276
Net current period other comprehensive income (loss)	(130,585)	(60,771)
Income tax expense (benefit)	(12,369)	530	(9,897)
Ending balance	839,125	737,556	675,927
Foreign Currency Translation and Other
Increase (Decrease) in Stockholders' Equity
Beginning balance	(82,977)	(19,891)
Other comprehensive loss before reclassifications	(71,618)	(60,745)
Amounts reclassified from accumulated other comprehensive income (loss)	0	(2,341)
Net current period other comprehensive income (loss)	(71,618)	(63,086)
Income tax expense (benefit)	0	0
Ending balance	(154,595)	(82,977)	(19,891)
Pension and Other Post-Retirement Benefit Plans
Increase (Decrease) in Stockholders' Equity
Beginning balance	(52,571)	(54,356)
Other comprehensive loss before reclassifications	(60,678)	(302)
Amounts reclassified from accumulated other comprehensive income (loss)	1,711	2,617
Net current period other comprehensive income (loss)	(58,967)	2,315
Income tax expense (benefit)	(12,369)	530
Ending balance	(99,169)	(52,571)	(54,356)
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity
Beginning balance	(135,548)	(74,247)	5,357
Ending balance	$ (253,764)	$ (135,548)	$ (74,247)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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