Capital Lease - Additional Information (Detail) (USD $)		1 Months Ended	12 Months Ended
	Jun. 30, 2014	Aug. 31, 2014 Forecast HIGHYAG	Jun. 30, 2014 Capital Lease
Capital Leased Assets [Line Items]
Capitalized payments property plant and equipment	$ 11,636,000
Property, plant and equipment estimated useful lives, years			17 years
Cash paid for purchase of business		$ 13,400,000