Business Segments (Details)	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended
	Mar. 31, 2015 segment	Mar. 31, 2014 customer	Mar. 31, 2014 customer	Mar. 31, 2015
Segment Reporting [Abstract]
Number of reportable segments	2
Customer Concentration Risk [Member] | Net sales
Concentration Risk [Line Items]
Number of customers accounted for 10% or more of the sales	0	0	0
Customer Concentration Risk [Member] | Net sales | Alcoa [Member]
Concentration Risk [Line Items]
Concentration risk				12.00%