Business Segments (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2013 item	Mar. 31, 2012 item	Mar. 31, 2013 item	Mar. 31, 2012 item
Business Segments
Number of reportable segments			3
Number of customers accounted for more than 10% of the sales	0	0	0	0