Components of Debt (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 10, 2013	Jun. 30, 2013
Debt Instrument [Line Items]
Line of credit, interest at LIBOR, as defined, plus 1.50% and 1.25%, respectively	$ 108,000		$ 111,000
Term loan, interest at LIBOR, as defined, plus 1.25%	100,000	100,000
Yen denominated line of credit, interest at LIBOR, as defined, plus 1.50% and 1.25%, respectively	3,072		3,036
Total	211,072		114,036
Current portion of long-term debt	20,000
Long-term debt, less current portion	$ 191,072		$ 114,036