Dividend Payment (Details Textual) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended		4 Months Ended		6 Months Ended
	Jun. 20, 2013	Mar. 20, 2013	Jul. 13, 2013	Jul. 14, 2012	Jul. 13, 2013	Jul. 14, 2012
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.08	$ 0.08	$ 0.08	$ 0.15	$ 0.16	$ 0.15
Dividends, Common Stock, Cash (in dollars)	$ 1.1	$ 1.1