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Income Taxes	6 Months Ended
Income Taxes	Jun. 30, 2011
Income Taxes [Abstract]
Income Taxes	10. Income Taxes The Company's effective tax rate for the three and six months ended June 30, 2011 was 34.1% and 30.3%, respectively. The Company's effective tax rate for the three and six months ended June 30, 2010 was 36.5%. The six months ended June 30, 2011 rate reflects a $0.4 million lower tax expense due to a non-taxable gain associated with the write off of contingent consideration discussed in Note 4 related to the Intec acquisition. Additionally, there was higher utilization of federal and state tax credits compared to the estimated utilization for the three and six months ended June 30, 2010.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 136, 172
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 43, 44, 45, 46, 47, 48, 49
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Publisher FASB
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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+ Details