Stock-Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014		Sep. 28, 2013
Stock-Based Compensation [Abstract]
Executive compensation charges (credit)			$ 0		$ (1,778)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized	(42)	382	1,703		(1,210)
Unrecognized Compensation Cost	10,808		10,808
Unrecognized compensation cost not expected to be recognized	6,485		6,485
Expiration date of the 2007 stock incentive plan			May 20, 2024
Maximum number of shares granted under restricted stock, unrestricted stock, RSU's and stock options to officers, employees and employee directors (in shares)	6,500,000		6,500,000
Stock Options Outstanding:
Balance			109,000
Balance (in dollars per share)			$ 15.24
Granted (in shares)			0
Granted (in dollars per share)			$ 0
Exercised (in shares)			(4,337)
Exercised (in dollars per share)			$ 11.62
Cancelled or forfeited (in shares)			0
Cancelled or forfeited (in dollars per share)			$ 0
Balance	105,000		105,000
Balance (in dollars per share)	$ 15.38		$ 15.38
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]
Vested and expected to vest (in shares)	105,000		105,000
Vested and expected to vest (in dollars per share)	$ 15.38		$ 15.38
Exercisable (in shares)	105,000		105,000
Stock price (in dollars per share)	$ 14.42		$ 14.42
Share-based compensation arrangement by share-based payment award, options, exercisable, intrinsic value	42		42
Stock options exercised (in shares)			4,337
Intrinsic value under share based compensation scheme			18
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized	0	0	0		18
Unrecognized Compensation Cost	0		0
Weighted Average Remaining Amortization Periods			0 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized	(42)	382	1,572		(1,336)
Unrecognized Compensation Cost	10,808		10,808
Weighted Average Remaining Amortization Periods			1 year 2 months 12 days
Equity Awards Other Than Options Outstanding:
Balance (in shares)			1,059,000
Balance (in dollars per share)			$ 13.40
Granted (in shares)			336,000
Granted (in dollars per share)			$ 13.48
Vested (in shares)			(146,000)	[1]
Vested (in dollars per share)			$ 15.87	[1]
Cancelled or forfeited (in shares)			(102,000)
Cancelled or forfeited (in dollars per share)			$ 17.45
Balance (in shares)	1,147,000		1,147,000
Balance (in dollars per share)	$ 12.75		$ 12.75
Expected to vest as of September 27, 2014 (in shares)	649,000		649,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	1,147,000		1,147,000
Phantom Share Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized	0	0	131		108
Unrecognized Compensation Cost	$ 0		$ 0
Weighted Average Remaining Amortization Periods			0 years
Equity Awards Other Than Options Outstanding:
Balance (in shares)			107,000
Granted (in shares)			10,000
Granted (in dollars per share)			$ 13.12
Dividend equivalents issued			2,000
Redeemed for common stock			0
Balance (in shares)	119,000		119,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	119,000		119,000
Scheduled to Vest January 1, 2015 [Member] | Performance Vested Restricted Stock Units [Member]
Equity Awards Other Than Options Outstanding:
Balance (in shares)	276,000		276,000
Expected to vest as of September 27, 2014 (in shares)	0		0
Not expected to vest as of September 27, 2014	276,000		276,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	276,000		276,000
Scheduled to Vest January 1, 2016 [Member] | Performance Vested Restricted Stock Units [Member]
Equity Awards Other Than Options Outstanding:
Balance (in shares)	222,000		222,000
Expected to vest as of September 27, 2014 (in shares)	0		0
Not expected to vest as of September 27, 2014	222,000		222,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	222,000		222,000
Scheduled to Vest January 1, 2017 [Member] | Performance Vested Restricted Stock Units [Member]
Equity Awards Other Than Options Outstanding:
Balance (in shares)	192,000		192,000
Expected to vest as of September 27, 2014 (in shares)	192,000		192,000
Not expected to vest as of September 27, 2014	0		0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	192,000		192,000

[1] The number of RSUs vested includes shares that the Company withheld on behalf of employees to satisfy the statutory tax withholding requirements.