Income Taxes - Schedule of Deferred Taxes (Detail) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Federal and state tax credits	$ 22,140	$ 51,377
Deferred interest and loss carryforwards	152,579	148,258
Inventory costing differences	16,488	15,784
Capitalized research and development	73,025	75,416
Amortization of share-based compensation	21,610	15,485
Pension liability and other	58,748	51,324
Fixed assets	3,612
Reserves and other	69,501	81,375
Deferred tax assets, gross	417,703	439,019
Less valuation allowance	(130,863)	(138,173)
Deferred tax assets, net of valuation allowance	286,840	300,846
Fixed assets		(270)
Intangible assets	(143,370)	(192,296)
Derivatives	(35,415)	(53,874)
Deferred tax liability, gross	(178,785)	(246,440)
Net deferred tax asset	$ 108,055	$ 54,406