Restructuring Program - Rollforward of Restructuring Accrual (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Beginning liability			$ 24,194	$ 65,379
Expense	$ 21,064	$ 4,886	33,706	6,077
Accumulated depreciation offset			(666)	(3,964)
Payments			(9,383)	(28,054)
Foreign currency translation			(463)	(1,046)
Closing liability	47,388	38,392	47,388	38,392
Severance Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning liability			18,068	60,789
Expense			30,889	1,112
Payments			(7,660)	(26,924)
Foreign currency translation			(477)	(1,041)
Closing liability	40,820	33,936	40,820	33,936
Third Party Contractor Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning liability			435
Expense			843	372
Foreign currency translation			9	(7)
Closing liability	1,287	365	1,287	365
Facility Closure and Other Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning liability			5,691	4,590
Expense			1,308	629
Payments			(1,723)	(1,130)
Foreign currency translation			5	2
Closing liability	$ 5,281	$ 4,091	5,281	4,091
Asset Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Expense			666	3,964
Accumulated depreciation offset			$ (666)	$ (3,964)