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Acquisition and Divestiture Activities (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Business Acquisitions |  |  |
Acquisition of business, net of cash acquired | $ 23,034 | $ 85,493 | $ 19,335
MCB Industrie [Member] |  |  |
Business Acquisitions |  |  |
Acquisition of business, net of cash acquired | 23,034 |  |
Finite-lived Intangible Assets Acquired | 5,433 |  |
Goodwill related to acquisitions | 7,985 |  |
HiRel Systems [Member] |  |  |
Business Acquisitions |  |  |
Acquisition of business, net of cash acquired |  | 85,493 |
Finite-lived Intangible Assets Acquired |  | 43,950 |
Goodwill related to acquisitions |  | 25,815 |
Huntington Electric Inc [Member] |  |  |
Business Acquisitions |  |  |
Acquisition of business, net of cash acquired |  |  | 19,335
Goodwill related to acquisitions |  |  | $ 9,051

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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