Share-Based Compensation (Details)	6 Months Ended
	Jul. 02, 2016 $ / shares shares
Supplemental Stock Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares, Outstanding (in shares) | shares	36,900
Shares, Forfeited/cancelled (in shares) | shares	(6,800)
Shares, Outstanding (in shares) | shares	30,100
Shares, Options vested and expected to vest (in shares) | shares	30,100
Weighted Average Exercise Price, Outstanding (in dollars per share) | $ / shares	$ 11.11
Weighted Average Exercise Price, Forfeited/cancelled (in dollars per share) | $ / shares	11.36
Weighted Average Exercise Price, Outstanding (in dollars per share) | $ / shares	11.06
Weighted Average Exercise Price, Options vested and expected to vest (in dollars per share) | $ / shares	$ 11.06
Service-Based Stock Option Awards [Member] | Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares, Outstanding (in shares) | shares	244,553
Shares, Exercised (in shares) | shares	0
Shares, Forfeited/cancelled (in shares) | shares	(20,540)
Shares, Outstanding (in shares) | shares	224,013
Shares, Options vested and expected to vest (in shares) | shares	219,013
Shares, Options exercisable (in shares) | shares	199,012
Weighted Average Exercise Price, Outstanding (in dollars per share) | $ / shares	$ 8.06
Weighted Average Exercise Price, Exercised (in dollars per share) | $ / shares	0.00
Weighted Average Exercise Price, Forfeited/cancelled (in dollars per share) | $ / shares	10.62
Weighted Average Exercise Price, Outstanding (in dollars per share) | $ / shares	7.82
Weighted Average Exercise Price, Options vested and expected to vest (in dollars per share) | $ / shares	7.91
Weighted Average Exercise Price, Options exercisable (in dollars per share) | $ / shares	$ 8.31
Market Condition Stock Option Awards [Member] | Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares, Outstanding (in shares) | shares	200,000
Shares, Outstanding (in shares) | shares	200,000
Shares, Options vested and expected to vest (in shares) | shares	200,000
Shares, Options exercisable (in shares) | shares	0
Weighted Average Exercise Price, Outstanding (in dollars per share) | $ / shares	$ 3.34
Weighted Average Exercise Price, Outstanding (in dollars per share) | $ / shares	3.34
Weighted Average Exercise Price, Options vested and expected to vest (in dollars per share) | $ / shares	3.34
Weighted Average Exercise Price, Options exercisable (in dollars per share) | $ / shares	$ 0.00