Earnings Per Share (Narrative) (Details) (USD $)	3 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2012
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Options exercise price range, lower limit	$ 6.59
Options exercise price range, upper limit	$ 24.46
Number of options outstanding	2,873,479	2,648,583	2,648,583	2,247,583
Stock Options [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of options to purchase common stock	2,493,759
Options exercise price range, lower limit	$ 7.35
Options exercise price range, upper limit	$ 24.46