Parent Financial Statements Income Statement (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended															12 Months Ended
	Dec. 28, 2014		Sep. 28, 2014		Jun. 29, 2014	Mar. 30, 2014		Dec. 29, 2013		Sep. 29, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Parent Financial Statements
General and administrative																$ 263,257	$ 293,792	$ 287,808
Depreciation and amortization																159,860	200,219	154,174
Facilities action (income) charges, net	6,530		7,520			(44,033)		(20,834)		22,275		6,377		3,038		(29,100)	10,856	41,031
Impairment of long-lived assets	7,245		3,408					10,552		5,327						10,985	15,879	21,097
Other expense (income), net																4,264	245	4,335
Costs and Expenses																1,809,555	2,352,268	2,382,495
Income (loss) from continuing operations before income taxes and noncontrolling interests																201,269	59,052	(13,125)
Income tax (provision) benefit																(79,835)	(14,154)	21,083
Income from continuing operations																121,434	45,753	5,574
Equity in (loss) income from discontinued operations								(266)		0		0		0		0	(266)	1,509
Net income (loss)	23,294	[1]	22,830	[1]	29,007	46,303	[1]	33,069	[2]	(1,939)	[2]	12,224	[2]	2,133	[2]	121,434	45,487	7,083
Parent Company [Member]
Parent Financial Statements
Equity in income from continuing operations of subsidiaries																113,010	21,116	29,708
General and administrative																10,567	10,381	10,911
Depreciation and amortization																0	1,272	1,975
Facilities action (income) charges, net																0	330	5,327
Impairment of long-lived assets																0	1,830	1,628
Other expense (income), net																306	(23)	953
Costs and Expenses																10,873	13,790	20,794
Income (loss) from continuing operations before income taxes and noncontrolling interests																102,137	7,326	8,914
Income tax (provision) benefit																19,297	38,427	(3,340)
Income from continuing operations																121,434	45,753	5,574
Equity in (loss) income from discontinued operations																0	(266)	1,509
Net income (loss)																$ 121,434	$ 45,487	$ 7,083

[1] The Company’s consolidated statements of operations were materially impacted by facilities action (income) charges, net and impairment of long-lived assets. The pre-tax impact of facilities action (income) charges, net for the first, third and fourth quarters of 2014 was $(44,033), $7,520 and $6,530, respectively (see Note 2 for additional information). The pre-tax impact of impairment of long-lived assets during the third and fourth quarters of 2014 was $3,408 and $7,245, respectively (see Note 15 for additional information).

[2] The Company’s consolidated statements of operations were materially impacted by facilities action (income) charges, net, impairment of long-lived assets, impairment of goodwill and losses on early extinguishment of debt. The pre-tax impact of facilities action charges (income), net for the first, second, third and fourth quarters of 2013 was $3,038, $6,377, $22,275 and $(20,834), respectively (see Note 2 for additional information). The pre-tax impact of impairment of long-lived assets during the third and fourth quarters of 2013 was $5,327 and $10,552, respectively, (see Note 15 for additional information) and the pre-tax impact of impairment of goodwill during the fourth quarter of 2013 was $9,397 (see Note 8 for additional information). The pre-tax impact of losses on the early extinguishment of debt during the second and fourth quarters of 2013 was $21,019 and $7,544, respectively (see Note 10 for additional information).