Investments in Affiliated Companies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Investments in affiliated companies	$ 72,603us-gaap_EquityMethodInvestments		$ 69,124us-gaap_EquityMethodInvestments
Equity in earnings of affiliated companies	1,313	1,417
Equity Method Investment Pro Rata Share Of Debt Obligations Of Joint Venture	400
Marubun/Arrow [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Investments in affiliated companies	59,796		58,617
Equity in earnings of affiliated companies	1,144	1,148
Altech Industries [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Investments in affiliated companies	10,242		10,507
Equity in earnings of affiliated companies	131	269
Other joint ventures [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Investments in affiliated companies	2,565		0
Equity in earnings of affiliated companies	$ 38	$ 0

Equity Method Investment Pro Rata Share Of Debt Obligations Of Joint Venture.

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- Definition

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

+ References

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-Publisher FASB

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

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- Definition

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

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