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Goodwill (Details) (USD $) In Thousands			9 Months Ended
	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2011 Industrial Technology	Sep. 30, 2011 Energy Systems And Controls	Sep. 30, 2011 Medical And Scientific Imaging	Sep. 30, 2011 RF Technology
Goodwill [Line Items]
Balances	$ 2,874,732	$ 2,727,780	$ 420,002	$ 380,595	$ 637,991	$ 1,289,192
Additions			0	16,294	135,379	0
Other			0	0	0	(5,272)
Currency translation adjustments			3,382	902	(4,745)	1,012
Balances	$ 2,874,732	$ 2,727,780	$ 423,384	$ 397,791	$ 768,625	$ 1,284,932

X

- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 43

+ Details

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e(1)

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Purchase price allocation adjustment for allocation not yet complete at the prior year end.

+ Details

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ Details

Name:	us-gaap_GoodwillLineItems
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

Reflects net changes to the recorded value of goodwill for foreign currency translation adjustments and purchase accounting adjustments needed to revise the carrying amount of goodwill to fair value.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

+ Details

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