Share-Based Compensation (Details) (USD $)	9 Months Ended
	Sep. 29, 2012
Equity Incentive Plan 1998 [Member]
Shares,Outstanding at December 31, 2011 (in shares)	515,492
Shares, Forfeited/cancelled (in shares)	(156,699)
Shares, Outstanding at September 29, 2012 (in shares)	358,793
Shares,Options vested and expected to vest at September 29, 2012 (in shares)	357,943
Shares,Options exercisable at September 29, 2012 (in shares)	356,668
Weighted Average Exercise Price, Outstanding at December 31, 2011 (in dollars per share)	$ 10.79
Weighted Average Exercise Price, Forfeited/cancelled (in dollars per share)	$ 11.31
Weighted Average Exercise Price, Outstanding at September 29, 2012(in dollars per share)	$ 10.56
Weighted Average Exercise Price,Options vested and expected to vest at September 29, 2012 (in dollars per share)	$ 10.58
Weighted Average Exercise Price,Options exercisable at September 29, 2012 (in dollars per share)	$ 10.61
Supplemental Stock Plan 2000 [Member]
Shares,Outstanding at December 31, 2011 (in shares)	154,700
Shares, Forfeited/cancelled (in shares)	(50,550)
Shares, Outstanding at September 29, 2012 (in shares)	104,150
Shares,Options vested and expected to vest at September 29, 2012 (in shares)	104,150
Shares,Options exercisable at September 29, 2012 (in shares)	104,150
Weighted Average Exercise Price, Outstanding at December 31, 2011 (in dollars per share)	$ 11.43
Weighted Average Exercise Price, Forfeited/cancelled (in dollars per share)	$ 11.61
Weighted Average Exercise Price, Outstanding at September 29, 2012(in dollars per share)	$ 11.34
Weighted Average Exercise Price,Options vested and expected to vest at September 29, 2012 (in dollars per share)	$ 11.34
Weighted Average Exercise Price,Options exercisable at September 29, 2012 (in dollars per share)	$ 11.34