Debt - Schedule of Long-Term Debt and Current Portion of Long-Term Debt (Detail) $ in Thousands, € in Millions	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	May. 27, 2015 EUR (€)	May. 11, 2015 USD ($)
Debt Instrument [Line Items]
Total debt, Fair Value	$ 1,046,744	$ 1,071,810
Current portion of long-term debt	(4,474)	(4,550)
Total long-term debt, Fair Value	1,038,255	1,063,144
Total debt, Book Value	1,064,256	1,089,333
Current portion of long-term debt	(4,474)	(4,550)
Total long-term debt, Book Value	1,055,767	1,080,667
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt, Fair Value	258,125	283,125
Total debt, Book Value	258,125	283,125
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Total debt, Fair Value	14,953	16,325
Total debt, Book Value	14,953	16,325
4.150 Percent Senior Notes [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Total debt, Fair Value	405,920	393,160
Unamortized debt discount	(2,571)	(2,626)		$ (2,700)
Unamortized debt discount	(2,571)	(2,626)		$ (2,700)
Total debt, Book Value	400,000	400,000
2.000 Percent Senior Notes [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Total debt, Fair Value	367,746	379,200
Unamortized debt discount	(1,444)	(1,490)	€ (1.4)
Unamortized debt discount	(1,444)	(1,490)	€ (1.4)
Total debt, Book Value	$ 391,178	$ 389,883