Components of Debt (Parenthetical) (Detail) (London Interbank Offered Rate (LIBOR))	3 Months Ended
	Sep. 30, 2013	Jun. 30, 2013
Line of credit
Debt Instrument [Line Items]
Debt instrument, rate added on variable rate	1.50%	1.25%
Term Loans
Debt Instrument [Line Items]
Debt instrument, rate added on variable rate	1.25%
Yen denominated line of credit
Debt Instrument [Line Items]
Debt instrument, rate added on variable rate	1.50%	1.25%