Quarterly Information (Quarterly Comparison of Financial Statements as Previously Filed - Equity Statement) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 23, 2012	Jun. 24, 2012	Mar. 25, 2012	Jun. 30, 2013	Jun. 24, 2012	Sep. 29, 2013	Sep. 23, 2012	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 347,830	$ 335,551	$ 346,980	$ 399,807	$ 399,290	$ 502,882	$ 335,551	$ 399,290	$ 347,830	$ 399,807	$ 346,325	$ 354,309	$ 508,645	$ 576,714
Net loss	7,132	(13,432)	(7,481)	(5,809)	(95,349)	(11,388)	(20,913)	(106,737)	(13,781)	(112,546)	(18,927)	(146,979)	(83,561)
Exercise of stock-based compensation and awards released											2,561	1,160	2,210
Tax benefit on stock-based compensation											82	(306)	77
Stock-based compensation expense											6,369	4,837	7,408
Deferred compensation plan											681	865	1,173
Amortization of pension plan actuarial income, net of tax expense of $449, $65, and $63	269	273	282	68	71	71	555	142	824	210	1,120	218	137
Change in realized and unrealized losses on derivative hedges, net of tax	132	4	(157)	(799)	590	(592)	(153)	(2)	(21)	(801)	(21)	(1,521)	1,165
Foreign currency translation adjustment (As Restated)											(578)	187	4,622
As Previously Reported
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	373,721	359,960	370,614	422,127	420,495	524,062	359,960	420,495	373,721	422,127		377,546	529,340	581,554
Net loss	7,624	(13,015)	(6,342)	(5,385)	(94,186)	(11,270)	(19,357)	(105,456)	(11,733)	(110,841)		(146,405)	(66,626)
Exercise of stock-based compensation and awards released												1,160	2,210
Tax benefit on stock-based compensation												(306)	77
Stock-based compensation expense												4,837	7,408
Deferred compensation plan												865	1,173
Amortization of pension plan actuarial income, net of tax expense of $449, $65, and $63	269	273	282	68	71	71	555	142	824	210		218	137
Change in realized and unrealized losses on derivative hedges, net of tax	132	4	(157)	(799)	590	(592)	(153)	(2)	(21)	(801)		(1,521)	1,165
Foreign currency translation adjustment (As Restated)												534	3,542
Retained Earnings
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest											(23,284)	(4,356)	142,094	225,598
Net loss											(18,928)	(146,450)	(83,504)
Retained Earnings | As Previously Reported
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												18,392	164,268	230,837
Net loss												(145,876)	(66,569)
Accumulated Other Comprehensive Income (Loss)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest											2,245	306	14,220	10,869
Amortization of pension plan actuarial income, net of tax expense of $449, $65, and $63											1,120	218	137
Change in realized and unrealized losses on derivative hedges, net of tax											(21)	(1,521)	1,165
Foreign currency translation adjustment (As Restated)											(405)	186	4,620
Accumulated Other Comprehensive Income (Loss) | As Previously Reported
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												795	12,741	10,470
Amortization of pension plan actuarial income, net of tax expense of $449, $65, and $63												218	137
Change in realized and unrealized losses on derivative hedges, net of tax												(1,521)	1,165
Foreign currency translation adjustment (As Restated)												$ 533	$ 3,540