Consolidated Statements of Changes in Redeemable Noncontrolling Interest and Member's Interest (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 27, 2014	Mar. 29, 2014	Dec. 28, 2013	Mar. 30, 2013	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Beginning Balance		$ 283,551			$ 283,551
Beginning Balance		24,767			24,767
Net (loss) income	4,468us-gaap_ProfitLoss	(53,068)us-gaap_ProfitLoss	(70,462)us-gaap_ProfitLoss	(56,277)us-gaap_ProfitLoss	(6,282)us-gaap_ProfitLoss	(103,679)us-gaap_ProfitLoss	(50,577)us-gaap_ProfitLoss
Other comprehensive income (loss)					(11,081)	4,407	(3,648)
Ending Balance	286,983		283,551		286,983	283,551
Ending Balance	33,740		24,767		33,740	24,767
Member's Equity [Member]
Beginning Balance		486,896		484,584	486,896	484,584	482,707
Contributed capital					27,617
Repurchase of member's interest					(88)	(3)	(656)
Share-based compensation					4,222	2,315	2,533
Ending Balance	518,647		486,896		518,647	486,896	484,584
Accumulated Deficit [Member]
Beginning Balance		(198,511)		(94,085)	(198,511)	(94,085)	(40,932)
Accretion/ redemption value adjustment					(8,145)	2,365	(657)
Net (loss) income					(8,777)	(106,791)	(52,496)
Share-based compensation					(1,983)
Ending Balance	(217,416)		(198,511)		(217,416)	(198,511)	(94,085)
Accumulated Other Comprehensive Loss (AOCI) [Member]
Beginning Balance		(6,045)		(9,130)	(6,045)	(9,130)	(6,577)
Other comprehensive income (loss)					(9,501)	3,085	(2,553)
Ending Balance	(15,546)		(6,045)		(15,546)	(6,045)	(9,130)
Noncontrolling Interest [Member]
Beginning Balance		1,211		1,059	1,211	1,059	1,174
Net (loss) income					87	152	(69)
Payment of dividends							(46)
Ending Balance	1,298		1,211		1,298	1,211	1,059
Total Member's Interest [Member]
Beginning Balance		283,551		382,428	283,551	382,428	436,372
Contributed capital					27,617
Accretion/ redemption value adjustment					(8,145)	2,365	(657)
Net (loss) income					(8,690)	(106,639)	(52,565)
Other comprehensive income (loss)					(9,501)	3,085	(2,553)
Repurchase of member's interest					(88)	(3)	(656)
Share-based compensation					2,239	2,315	2,533
Payment of dividends							(46)
Ending Balance	286,983		283,551		286,983	283,551	382,428
Redeemable Noncontrolling Interest [Member]
Beginning Balance		24,767		22,850	24,767	22,850	21,300
Accretion/ redemption value adjustment					8,145	(2,365)	657
Net (loss) income					2,408	2,960	1,988
Other comprehensive income (loss)					(1,580)	1,322	(1,095)
Ending Balance	$ 33,740		$ 24,767		$ 33,740	$ 24,767	$ 22,850

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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