Acquisitions (Details) (Industrial [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2011
Industrial [Member]
Acquisitions (Textuals) [Abstract]
Companies Acquired	2
Cost of acquired companies	$ 38.0
Goodwill and other intangible assets acquired	$ 19

Amount of cash paid to acquire the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph f(1)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph d

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