Subsequent Events	12 Months Ended
Dec. 31, 2016
Subsequent Events [Abstract]
Subsequent Events	17. Subsequent Events Acquisition of Laser Quantum Limited On January 10, 2017, the Company acquired approximately 35% of the outstanding shares of Laser Quantum Limited (“Laser Quantum”), a Manchester, United Kingdom-based provider of solid state continuous wave lasers, femtosecond lasers, and optical light engines to OEMs in the medical market, for a total purchase price of £25.5 million ($31.8 million). The acquisition was financed with cash on hand and a $30.0 million draw-down on our revolving credit facility. In addition, the Company and the minority equity holders entered into a call and put option for the purchase and sale of all remaining Laser Quantum shares held by the minority equity holders in 2020, subject to certain conditions. The purchase price for the remaining shares will be based on a multiple of Laser Quantum EBITDA for the twelve months ending December 31, 2019, as defined in the call and put option agreement. As a result of this transaction, the Company’s ownership position in Laser Quantum increased from approximately 41% to approximately 76%. As a result of this increase in equity ownership, the future financial results of Laser Quantum will be consolidated in the Company’s consolidated financial statements. In connection with the purchase price allocation under the business combination rules, the Company expects to recognize a pre-tax gain of $25 million to $28 million during the first quarter of 2017, representing the excess fair value of our previously held equity interest in Laser Quantum over its carrying value. Laser Quantum will be included in our Photonics reportable segment. Information required by ASC 805-10, “Business Combinations,” is not disclosed herein as the Company is in the process of completing its purchase accounting evaluation, including purchase price allocation and other related disclosures. Acquisition of ThingMagic On January 10, 2017, the Company acquired ThingMagic, a Woburn, Massachusetts-based provider UHF RFID modules and finished RFID readers to OEMs in the medical and advanced industrial markets, for a total purchase price of $19.2 million, subject to customary working capital adjustments. The acquisition was financed with cash on hand and a $12.0 million draw-down on our revolving credit facility. ThingMagic will be included in our Vision reportable segment. Information required by ASC 805-10, “Business Combinations,” is not disclosed herein as the Company is in the process of completing its purchase accounting evaluation, including purchase price allocation and other related disclosures.

17. Subsequent Events

Acquisition of Laser Quantum Limited

On January 10, 2017, the Company acquired approximately 35% of the outstanding shares of Laser Quantum Limited (“Laser Quantum”), a Manchester, United Kingdom-based provider of solid state continuous wave lasers, femtosecond lasers, and optical light engines to OEMs in the medical market, for a total purchase price of £25.5 million ($31.8 million). The acquisition was financed with cash on hand and a $30.0 million draw-down on our revolving credit facility. In addition, the Company and the minority equity holders entered into a call and put option for the purchase and sale of all remaining Laser Quantum shares held by the minority equity holders in 2020, subject to certain conditions. The purchase price for the remaining shares will be based on a multiple of Laser Quantum EBITDA for the twelve months ending December 31, 2019, as defined in the call and put option agreement. As a result of this transaction, the Company’s ownership position in Laser Quantum increased from approximately 41% to approximately 76%. As a result of this increase in equity ownership, the future financial results of Laser Quantum will be consolidated in the Company’s consolidated financial statements. In connection with the purchase price allocation under the business combination rules, the Company expects to recognize a pre-tax gain of $25 million to $28 million during the first quarter of 2017, representing the excess fair value of our previously held equity interest in Laser Quantum over its carrying value. Laser Quantum will be included in our Photonics reportable segment. Information required by ASC 805-10, “Business Combinations,” is not disclosed herein as the Company is in the process of completing its purchase accounting evaluation, including purchase price allocation and other related disclosures.

Acquisition of ThingMagic

On January 10, 2017, the Company acquired ThingMagic, a Woburn, Massachusetts-based provider UHF RFID modules and finished RFID readers to OEMs in the medical and advanced industrial markets, for a total purchase price of $19.2 million, subject to customary working capital adjustments. The acquisition was financed with cash on hand and a $12.0 million draw-down on our revolving credit facility. ThingMagic will be included in our Vision reportable segment. Information required by ASC 805-10, “Business Combinations,” is not disclosed herein as the Company is in the process of completing its purchase accounting evaluation, including purchase price allocation and other related disclosures.