Investments in Affiliated Companies (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Document Period End Date			Jun. 29, 2019
Investments in affiliated companies	$ 86,157		$ 86,157		$ 83,693
Equity in earnings (losses) of affiliated companies	382	$ 517	(1,085)	$ (156)
Equity Method Investment Pro Rata Share of Debt Obligations of Joint Venture	6,800		6,800		2,860
Marubun Arrow [Member]
Schedule of Equity Method Investments [Line Items]
Investments in affiliated companies	75,532		75,532		73,253
Equity in earnings (losses) of affiliated companies	$ 227	1,483	$ 1,453	2,574
Equity Method Investment, Ownership Percentage	50.00%		50.00%
Other joint ventures [Member]
Schedule of Equity Method Investments [Line Items]
Investments in affiliated companies	$ 10,625		$ 10,625		$ 10,440
Equity in earnings (losses) of affiliated companies	$ 155	$ (966)	$ (2,538)	$ (2,730)
Equity Method Investment, Ownership Percentage, Maximum	50.00%		50.00%
Equity Method Investment, Ownership Percentage, Minimum	19.00%		19.00%

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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