XML 58 R44.htm IDEA: XBRL DOCUMENT

Organization and Presentation - Additional Information (Details) - USD ($) $ in Thousands				12 Months Ended
	Sep. 27, 2018	Jan. 10, 2017	Jan. 09, 2017	Dec. 31, 2017	Dec. 31, 2016
Organization And Business Activities [Line Items]
Earnings from equity investment				$ 104	$ 2,191
Laser Quantum
Organization And Business Activities [Line Items]
Equity method investment ownership percentage on Laser Quantum		76.00%	41.00%
Earnings from equity investment				$ 100	$ 2,200
Percentage of outstanding shares acquired	24.00%	35.00%
Consideration transferred in cash and restricted stock for percentage of shares acquired	$ 45,100

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References + Details