Acquisitions (Schedule of Purchase Price Allocation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Business Combinations [Line Items]
Purchase price, net of cash acquired	$ (750)	$ 94,271	$ 0
Goodwill		6,779us-gaap_GoodwillAcquiredDuringPeriod	0us-gaap_GoodwillAcquiredDuringPeriod
Business Acquisition Pro Forma Information [Abstract]
Net sales		2,693,145	2,804,757
Net income		45,485	51,563
Suntron [Member]
Business Combinations [Line Items]
Purchase price paid		18,582
Cash acquired		(62)
Purchase price, net of cash acquired		18,520
Integration and Acquisition-related costs for 2014	72
Cash		62
Accounts receivable		11,561
Inventories		14,570
Other current assets		1,072
Property, plant and equipment		1,437
Goodwill		0
Other assets		255
Deferred income taxes		3,893
Current liabilities		(13,987)
Other long-term liabilities		(281)
Total identifiable net assets		18,582
CTS [Member]
Business Combinations [Line Items]
Purchase price paid		75,982
Cash acquired		(981)
Purchase price, net of cash acquired		75,001
Integration and Acquisition-related costs for 2014	6,010
Cash		981
Accounts receivable		32,480
Inventories		40,494
Other current assets		1,472
Property, plant and equipment		15,175
Goodwill		8,058
Customer relationships intangible		15,500
Other assets		129
Deferred income taxes		(1,620)
Current liabilities		(36,687)
Total identifiable net assets		$ 75,982

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred tax asset attributable to deductible temporary differences and carryforwards that are expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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