Fair Value Measurements - Carrying Value for Assets and Liabilities Measured on Non-Recurring Basis under Level 3 of Fair Value Hierarchy and Losses Recorded During Periods Presented (Detail) - Fair Value, Inputs, Level 3 [Member] - Fair Value of Assets and Liabilities Measured on Non-Recurring Basis [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity method investments	$ 1,175	$ 2,871
Goodwill	1,348,761	1,287,180
Long-lived assets	1,089,217	1,222,088
Total	$ 2,439,153	$ 2,512,139