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Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Net sales	$ 834,052	$ 737,135
Percent change in Net Sales	13.1
Gross Profit	488,936	421,576
Percent change in Gross Profit	16.0
Operating profit	245,412	205,225
Percent change in Operating Profit	19.6
Long-Lived assets	137,187	134,014
Unallocated corporate general and administrative expenses	22,012	20,048
Industrial Technology
Segment Reporting Information [Line Items]
Net sales	197,001	182,239
Percent change in Net Sales	8.1
Gross Profit	98,470	93,311
Percent change in Gross Profit	5.5
Operating profit	56,056	52,945
Percent change in Operating Profit	5.9
Long-Lived assets	49,022	45,626
Energy Systems And Controls
Segment Reporting Information [Line Items]
Net sales	155,171	145,642
Percent change in Net Sales	6.5
Gross Profit	85,965	80,906
Percent change in Gross Profit	6.3
Operating profit	37,025	35,722
Percent change in Operating Profit	3.6
Long-Lived assets	18,503	19,032
Medical And Scientific Imaging
Segment Reporting Information [Line Items]
Net sales	256,199	200,444
Percent change in Net Sales	27.8
Gross Profit	184,850	134,869
Percent change in Gross Profit	37.1
Operating profit	89,771	59,928
Percent change in Operating Profit	49.8
Long-Lived assets	39,948	40,198
RF Technology
Segment Reporting Information [Line Items]
Net sales	225,681	208,810
Percent change in Net Sales	8.1
Gross Profit	119,651	112,490
Percent change in Gross Profit	6.4
Operating profit	62,560	56,630
Percent change in Operating Profit	10.5
Long-Lived assets	$ 29,714	$ 29,158

X

- Definition

The percent change in aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity, from the previous period to the current period.

+ References

No definition available.

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- Definition

The percent change in total revenue from sales of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances and sales discounts, from the previous period to the current period.

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- Definition

The percent change in the total amount of profit or loss for reportable segments, from the previous period to the current period.

+ References

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of segment long-lived assets.

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- Definition

The net result for the period of deducting operating expenses from operating revenues before Corporate expenses.

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- Definition

The unallocated expenses reported by segment of managing and administering the affairs of an entity which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1,2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Article 5

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