Basis of Presentation - Additional information (Details) - USD ($) $ in Millions		9 Months Ended	12 Months Ended
	Jan. 10, 2017	Sep. 29, 2017	Dec. 31, 2016
ASU 2016-15
Basis Of Presentation [Line Items]
Payments of contingent considerations		$ (2.5)
Laser Quantum
Basis Of Presentation [Line Items]
Equity method investment ownership percentage on Laser Quantum	76.00%		41.00%
Percentage of additional shares acquired	35.00%	35.00%