Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Income Tax Contingency [Line Items]
Undistributed earnings from non-U.S. subsidiaries	$ 569,500,000
Accrued tax provision for repatriation of foreign earnings	0
Deferred Tax Liabilities, Gross	$ 218,900,000	$ 220,400,000
Carry forward period	20 years
Valuation allowance	$ 78,800,000	69,900,000
Unrecognized tax benefits	52,500,000	61,500,000	$ 66,900,000	$ 60,600,000
Unrecognized tax benefits that impact the effective income tax rate	41,400,000	45,700,000
Unrecognized tax benefits that would not impact the effective income tax rate due to full valuation allowance	11,100,000
Accrued interest related to uncertain tax positions	5,000,000	$ 5,600,000	$ 6,300,000
Increase (decrease) in interest on income taxes accrued	(600,000)
Interest and penalties subject to indemnification	1,700,000
Increase (decrease) in interest on income taxes accrued subject to indemnification	(400,000)
Domestic Tax Authority [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	154,700,000
Valuation allowance	386,300,000
Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	1,400,000
State and Local Jurisdiction [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	390,800,000
Losses Generated	49,500,000
Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	$ 152,600,000
Carry forward period	3 years