Debt - Additional Information (Detail) In Millions, unless otherwise specified				9 Months Ended						9 Months Ended
	Mar. 31, 2015 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014	Mar. 31, 2015 Revolving Credit Facility USD ($)	Mar. 31, 2015 Revolving Credit Facility Maximum USD ($)	Mar. 31, 2015 Term Loans USD ($)	Mar. 31, 2015 Yen denominated line of credit JPY (¥)	Mar. 31, 2015 Yen Loan JPY (¥)	Jun. 30, 2014 Yen Loan JPY (¥)	Mar. 31, 2015 London Interbank Offered Rate (LIBOR) Revolving Credit Facility Maximum	Mar. 31, 2015 London Interbank Offered Rate (LIBOR) Revolving Credit Facility Minimum	Mar. 31, 2015 London Interbank Offered Rate (LIBOR) Term Loans	Mar. 31, 2015 London Interbank Offered Rate (LIBOR) Yen denominated line of credit	Mar. 31, 2015 London Interbank Offered Rate (LIBOR) Yen denominated line of credit Maximum	Mar. 31, 2015 London Interbank Offered Rate (LIBOR) Yen denominated line of credit Minimum
Line Of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity				$ 225		$ 100	¥ 500
Term loan, quarterly principal Payment						5
Term loan, first quarterly principal payment commencement date						Oct. 01, 2013
Credit facility, optional additional borrowing amount					100
Credit facility, term				5 years
Debt instrument, month and year of maturity				2018-09			2016-06
Debt instrument, rate added on variable rate										1.75%	0.75%	1.25%	0.625%	1.50%	0.625%
Amount borrowed								300	300
Available credit under lines of credit	109.7	71.0
Total outstanding letters of credit	$ 1.5	$ 1.5
Weighted average interest rate of total borrowings	1.80%		1.70%