Subsequent Events - Additional Information (Detail) (USD $)	3 Months Ended		1 Months Ended
	Sep. 30, 2013	Sep. 30, 2013 Oclaro Incorporated	Nov. 01, 2013 Subsequent Event Oclaro Incorporated	Nov. 01, 2013 Subsequent Event Oclaro Incorporated Initial Cash Payment
Subsequent Event [Line Items]
Business acquisition, transaction value			$ 88,600,000
Payment of option to acquire business	5,000,000	5,000,000
Business acquisition, remaining purchase price amount			83,600,000	79,600,000
Business acquisition, holdback amount			$ 4,000,000