Business acquisition contingent consideration shares issuable value.

No definition available.

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- Details

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- Definition

Goodwill historical accumulated amortization.

+ References

No definition available.

+ Details

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- Definition

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

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- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Maximum number of shares issuable under the contingent consideration arrangement in a business combination.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of cash paid to acquire the entity.

+ References

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

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-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(1)

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+ Details

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Balance Type:	debit
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- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

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-Glossary Acquisition Date

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- Definition

Percentage of voting equity interests acquired in the business combination.

+ References

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- Definition

Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition.

+ References

No definition available.

+ Details

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Goodwill (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified			3 Months Ended	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Strata [Member]	Dec. 31, 2012 Strata [Member]	Dec. 24, 2012 Strata [Member]
Goodwill (Textual) [Abstract]
Date of acquisition			Dec. 24, 2012
Voting equity interests acquired					100.00%
Annual sales				$ 20
Purchase price					53.1
Payable in cash			5.0
Acquisition related contingent consideration			4.4
Transfer of common stock			60,368
Fair value of pre determined target at acquisition date			2.0
Goodwill (Additional Textual) [Abstract]
Historical accumulated amortization	$ 298.5	$ 298.5