Segment Reporting - Net Sales by Geographic Region (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2013 USD ($)	Jun. 30, 2015 USD ($) segment	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment									1
Segment Reporting Information [Line Items]
Net sales	$ 573,594	$ 471,225	$ 503,014	$ 443,322	$ 428,069	$ 373,755	$ 356,362	$ 309,016	$ 1,991,155	$ 1,467,202	$ 1,162,561
United States [Member]
Segment Reporting Information [Line Items]
Net sales									1,160,651	809,250	629,869
Europe [Member]
Segment Reporting Information [Line Items]
Net sales									378,323	316,760	265,635
Asia [Member]
Segment Reporting Information [Line Items]
Net sales									326,912	299,403	237,798
Other [Member]
Segment Reporting Information [Line Items]
Net sales									$ 125,269	$ 41,789	$ 29,259