Equity and Redeemable Noncontrolling Interest - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 01, 2017	Mar. 26, 2016
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
Other comprehensive loss before reclassifications	$ 11,104
Amounts reclassified from accumulated other comprehensive income (loss)	854
Net current period other comprehensive income	11,958
Income tax expense	226	$ 142
Foreign Currency Translation Adjustment and Other
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
December 31, 2016	(154,595)
Other comprehensive loss before reclassifications	11,104
Amounts reclassified from accumulated other comprehensive income (loss)	0
Net current period other comprehensive income	11,104
Income tax expense	0
April 1, 2017	(143,491)
Pension and Other Post-Retirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
December 31, 2016	(99,169)
Other comprehensive loss before reclassifications	0
Amounts reclassified from accumulated other comprehensive income (loss)	854
Net current period other comprehensive income	854
Income tax expense	226	$ 100
April 1, 2017	(98,541)
Total
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
December 31, 2016	(253,764)
April 1, 2017	$ (242,032)

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580

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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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