Correction of Immaterial Errors To Prior Period Financial Statements - Revised Consolidated Statements of Cash Flows From Operations (Details) - USD ($) $ in Thousands	3 Months Ended							12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income								$ 47,429	$ 164,962	$ 129,922
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization								65,622	57,380	48,222
Deferred income taxes								33,093	(2,667)	(2,612)
Equity in net income of equity-method investees	$ 161	$ 31	$ (84)	$ (174)	$ 13	$ (308)	$ (159)	47	(628)	(3,999)
Stock based compensation								12,688	12,197	12,448
Contingent consideration expense								1,511	(253)	(983)
Loss on sale of business								0	0	1,629
Gains on pre-existing ownership interests in HPPC and Empire								0	(9,669)	0
Impairment charges								127,748	0	7,504
Other non-cash items, net								15,038	(1,434)	1,175
Increase (decrease) in cash attributable to changes in operating assets and liabilities, net of amounts applicable to acquisitions:
Accounts receivable								(12,886)	(19,582)	12,595
Inventories								(15,739)	(30,465)	(24,819)
Other current assets								(22,534)	(15,308)	(16,003)
Other assets and liabilities								3,281	(3,964)	(543)
Accounts payable and accrued expenses								(40,665)	34,913	20,232
Net cash provided by operating activities								$ 206,575	185,482	184,768
As Reported
CASH FLOWS FROM OPERATING ACTIVITIES
Net income									167,896	139,851
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization									56,587	48,040
Deferred income taxes									(11,603)	(1,350)
Equity in net income of equity-method investees	161	31	(84)	(174)	13	(308)	(20)		(489)	(3,985)
Stock based compensation									12,197	12,448
Contingent consideration expense									280	(3,026)
Loss on sale of business									0	1,629
Gains on pre-existing ownership interests in HPPC and Empire									(8,256)	0
Impairment charges									5,510	0
Other non-cash items, net									(1,428)	1,175
Increase (decrease) in cash attributable to changes in operating assets and liabilities, net of amounts applicable to acquisitions:
Accounts receivable									(31,846)	967
Inventories									(21,097)	(22,775)
Other current assets									7,699	(7,948)
Other assets and liabilities									(3,964)	(5,540)
Accounts payable and accrued expenses									13,996	25,282
Net cash provided by operating activities									185,482	184,768
Adjustment
CASH FLOWS FROM OPERATING ACTIVITIES
Net income									(2,934)	(9,929)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization									793	182
Deferred income taxes									8,936	(1,262)
Equity in net income of equity-method investees	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ (139)		(139)	(14)
Stock based compensation									0	0
Contingent consideration expense									(533)	2,043
Loss on sale of business									0	0
Gains on pre-existing ownership interests in HPPC and Empire									(1,413)	0
Impairment charges									(5,510)	7,504
Other non-cash items, net									(6)	0
Increase (decrease) in cash attributable to changes in operating assets and liabilities, net of amounts applicable to acquisitions:
Accounts receivable									12,264	11,628
Inventories									(9,368)	(2,044)
Other current assets									(23,007)	(8,055)
Other assets and liabilities									0	4,997
Accounts payable and accrued expenses									20,917	(5,050)
Net cash provided by operating activities									$ 0	$ 0