Investments in Affiliated Companies (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016	Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]
Investments in affiliated companies	$ 86,371		$ 86,371		$ 88,401
Equity in earnings of affiliated companies	724	$ 2,227	1,649	$ 4,083
Marubun Arrow [Member]
Schedule of Equity Method Investments [Line Items]
Investments in affiliated companies	66,558		66,558		65,237
Equity in earnings of affiliated companies	$ 1,617	1,846	$ 3,282	3,510
Equity Method Investment, Ownership Percentage	50.00%		50.00%
Other joint ventures [Member]
Schedule of Equity Method Investments [Line Items]
Investments in affiliated companies	$ 19,813		$ 19,813		$ 23,164
Equity in earnings of affiliated companies	$ (893)	$ 381	$ (1,633)	$ 573
Equity Method Investment, Ownership Percentage, Maximum	50.00%		50.00%
Equity Method Investment, Ownership Percentage, Minimum	43.00%		43.00%

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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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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.

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