Summary of Defined Benefit Pension Plans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	$ 3,238,307
Fair value of plan assets at end of year	3,307,047	$ 3,238,307
Amounts recognized on the Consolidated Balance Sheet
Pensions and other postretirement benefits	(2,076,143)	(1,699,197)
Pension Plans, Defined Benefit
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	4,867,703	4,749,447
Service cost	94,650	97,960	$ 99,929
Interest cost	181,469	176,556	190,999
Special termination cost	7,088	21,174	0
Actuarial loss	487,523	237,896
Benefits paid	(230,551)	(261,473)
Plan amendments	2,992	3,033
Foreign currency translation and other	(95,219)	(156,890)
Benefit obligation at end of year	5,315,655	4,867,703	4,749,447
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	3,238,307	3,499,274
Actual gain on plan assets	97,165	51,514
Employer contributions	279,140	62,852
Benefits paid	(230,551)	(261,473)
Foreign currency translation and other	(77,014)	(113,860)
Fair value of plan assets at end of year	3,307,047	3,238,307	$ 3,499,274
Funded status	(2,008,608)	(1,629,396)
Amounts recognized on the Consolidated Balance Sheet
Other accrued liabilities	(42,763)	(31,206)
Pensions and other postretirement benefits	(1,965,845)	(1,598,190)
Net amount recognized	(2,008,608)	(1,629,396)
Amounts recognized in Accumulated Other Comprehensive (Loss)
Net actuarial loss	2,047,103	1,639,010
Prior service cost	27,723	32,126
Transition obligation	103	103
Net amount recognized	$ 2,074,929	$ 1,671,239