Share-based incentive plans (Tables)

9 Months Ended

Mar. 31, 2015

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of share-based compensation costs recognized

	Three Months Ended March 31,						Nine Months Ended March 31,
	2015			2014			2015			2014
Amortization of share-based compensation during the period	$	1,508		$	873		$	4,195		$	1,866
Amounts capitalized in ending inventory		(566	)		(222	)		(1,313	)		(531	)
Amounts recognized and charged to cost of sales		364			142			1,024			494
Amounts charged against income for the period, before tax	$	1,306		$	793		$	3,906		$	1,829