Stock Repurchase Program (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended	6 Months Ended
	Apr. 30, 2012	Jun. 29, 2012
Stock Repurchase Program (Additional Textual) [Abstract]
Authorized stock repurchase value	$ 25.0
Amount remains available for the repurchase of shares under the stock repurchase program		$ 18.0
Maximum [Member]
Stock Repurchase Program (Textual) [Abstract]
Maximum period under stock repurchase program	18 months