Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Net sales	$ 121,323	$ 122,530	$ 114,386	$ 108,666	$ 111,129	$ 110,532	$ 112,534	$ 104,348	$ 466,904	$ 438,543	$ 386,189
Residential [Member]
Segment Reporting Information [Line Items]
Net sales									393,143	359,565	311,214
Commercial [Member]
Segment Reporting Information [Line Items]
Net sales									$ 73,761	$ 78,978	$ 74,975