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Income Taxes	9 Months Ended
	Sep. 30, 2016
Income Taxes [Abstract]
Income Taxes	9.    Income Taxes The Company had $0.2 million of unrecognized tax benefits at September 30, 2016, all of which resulted from tax positions taken prior to the year ended December 31, 2015. The Company recognized approximately $0.3 million of benefits in the nine months ended September 30, 2016. The Company also recorded approximately $0.1 million of expense in the nine months ended September 30, 2016, related to interest and penalties. It is reasonably possible that approximately $0.1 million of unrecognized tax benefits will be reduced in the next twelve months due to expiration of the applicable statutes of limitations, which would favorably affect the Company’s effective tax rate if recognized. If amounts accrued are less than amounts ultimately assessed by taxing authorities, the Company would record additional income tax expense. The Company does not anticipate significant changes to other unrecognized tax benefits. The Company paid $21.0 million and $25.0 million in income taxes during the nine months ended September 30, 2015 and 2016, respectively.

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- Definition

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
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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