Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized		$ 924	$ 804	$ 1,979	$ 1,745
Unrecognized Compensation Cost		9,480
Unrecognized compensation cost not expected to be recognized		$ 2,935
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
Stock Options Outstanding:
Balance				105,000
Exercised (in shares)				0
Balance		105,000		105,000
Balance (in dollars per share)		$ 15.38		$ 15.38
Weighted average remaining contractual life of options outstanding				1 year 9 months 25 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]
Vested and expected to vest (in dollars per share)		$ 15.38		$ 15.38
Share-based compensation arrangement by share-based payment award, options, non-vested, outstanding (in shares)		0
Stock price (in dollars per share)		$ 11.63
Stock options exercised (in shares)				0
Intrinsic value under share based compensation scheme				$ 0
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized		$ 0	0	$ 0	0
Unrecognized Compensation Cost		0
Weighted Average Remaining Amortization Periods
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized		924	804	$ 1,838	1,614
Unrecognized Compensation Cost		$ 9,480
Weighted Average Remaining Amortization Periods				1 year 6 months
Equity Awards Other Than Options Outstanding:
Balance (in shares)				1,147,000
Balance (in dollars per share)				$ 12.75
Granted (in shares)				349,000
Granted (in dollars per share)				$ 13.60
Vested (in shares)	[1]			(162,000)
Vested (in dollars per share)	[1]			$ 11.34
Cancelled or forfeited (in shares)				(276,000)
Cancelled or forfeited (in dollars per share)				$ 12.88
Balance (in shares)		1,058,000		1,058,000
Balance (in dollars per share)		$ 13.21		$ 13.21
Expected to vest as of July 4, 2015 (in shares)		836,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance		1,058,000		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	$ 141	$ 131
Unrecognized Compensation Cost		$ 0
Weighted Average Remaining Amortization Periods
Equity Awards Other Than Options Outstanding:
Balance (in shares)				119,000
Granted (in shares)				10,000
Granted (in dollars per share)				$ 14.09
Dividend equivalents issued				2,000
Redeemed for common stock				0
Balance (in shares)		131,000		131,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance		131,000		119,000
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 July 4, 2015 (in shares)		0
Not expected to vest as of July 4, 2015 (in shares)		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 July 4, 2015 (in shares)		192,000
Not expected to vest as of July 4, 2015 (in shares)		0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance		192,000		192,000
Scheduled to Vest January 1, 2018 [Member] | Performance Vested Restricted Stock Units [Member]
Equity Awards Other Than Options Outstanding:
Balance (in shares)		202,000		202,000
Expected to vest as of July 4, 2015 (in shares)		202,000
Not expected to vest as of July 4, 2015 (in shares)		0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance		202,000		202,000

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