Revenue - Effect on Income Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	$ 450,920	$ 421,553	$ 383,337
Cost of goods sold	335,542	309,625	291,516
Gross profit	115,378	111,928	91,821
Income tax expense	1,256	708	3,652
Net income (loss) including noncontrolling interest	(14,638)	$ 4,948	$ 9,260
Adjustment | Accounting Standards Update 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	(583)
Cost of goods sold	(302)
Gross profit	(281)
Income tax expense	(59)
Net income (loss) including noncontrolling interest	(222)
Balances Without Adoption
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	450,337
Cost of goods sold	335,240
Gross profit	115,097
Income tax expense	1,197
Net income (loss) including noncontrolling interest	$ (14,860)