Segment and Geographic Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Net sales are presented in geographic areas
Net Sales	$ 621,654	$ 605,461	$ 1,821,690	$ 1,755,432
United States
Net sales are presented in geographic areas
Net Sales	514,941	522,870	1,492,795	1,488,520
Canada
Net sales are presented in geographic areas
Net Sales	70,497	65,316	218,848	212,391
Other countries
Net sales are presented in geographic areas
Net Sales	$ 36,216	$ 17,275	$ 110,047	$ 54,521