Basis of Presentation - Additional information (Details)	1 Months Ended	6 Months Ended
	Jun. 30, 2015	Jul. 03, 2015
Basis Of Presentation [Line Items]
Equity method investment ownership percentage on Laser Quantum		41.00%
Ownership in joint venture, Excel Laser Technology Private Limited
Basis Of Presentation [Line Items]
Minority interest ownership percentage		50.00%
Percentage of Company's interests sold	100.00%