Investments in Affiliated Companies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Equity Method Investments [Line Items]
Investments in affiliated companies	$ 67,229	$ 65,603
Equity in earnings of affiliated companies	7,429	8,112	6,736
Equity Method Investment Pro Rata Share Of Debt Obligations Of Joint Venture	650
Marubun/Arrow [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Investments in affiliated companies	54,672	50,864
Equity in earnings of affiliated companies	6,386	6,825	5,338
Altech Industries [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Investments in affiliated companies	12,557	14,739
Equity in earnings of affiliated companies	$ 1,043	$ 1,287	$ 1,398

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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- 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.

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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.

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