Income Taxes	6 Months Ended
Jun. 30, 2012
Income Taxes	17. Income Taxes The Company’s provision for income taxes is based upon estimated annual tax rates for the year applied to federal, state and foreign income. The provision for income taxes increased to $23.5 million in the second quarter of 2012 from $23.1 million in the second quarter of 2011. The effective tax rate decreased to 30.2% for the second quarter of 2012 compared to 31.5% in the second quarter of 2011 due to the mix of global pre-tax income among jurisdictions, a decrease in the amount of disallowed executive compensation expense, and as a result of recent acquisitions. The provision for income taxes decreased to $45.4 million in the first six months of 2012 from $45.5 million in the same period of 2011. The effective tax rate decreased to 29.9% for the first six months of 2012 compared to 31.7% in the same period of 2011 due to the mix of global pre-tax income among jurisdictions, a decrease in the amount of disallowed executive compensation expense, and as a result of recent acquisitions. The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, and various state and foreign jurisdictions. Due to the potential for resolution of federal, state and foreign examinations, and the expiration of various statutes of limitation, it is reasonably possible that the Company’s gross unrecognized tax benefits balance may change within the next twelve months by a range of zero to $1.8 million.

Income Taxes

6 Months Ended

Jun. 30, 2012

17. Income Taxes

The Company’s provision for income taxes is based upon estimated annual tax rates for the year applied to federal, state and foreign income. The provision for income taxes increased to $23.5 million in the second quarter of 2012 from $23.1 million in the second quarter of 2011. The effective tax rate decreased to 30.2% for the second quarter of 2012 compared to 31.5% in the second quarter of 2011 due to the mix of global pre-tax income among jurisdictions, a decrease in the amount of disallowed executive compensation expense, and as a result of recent acquisitions.

The provision for income taxes decreased to $45.4 million in the first six months of 2012 from $45.5 million in the same period of 2011. The effective tax rate decreased to 29.9% for the first six months of 2012 compared to 31.7% in the same period of 2011 due to the mix of global pre-tax income among jurisdictions, a decrease in the amount of disallowed executive compensation expense, and as a result of recent acquisitions.

The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, and various state and foreign jurisdictions. Due to the potential for resolution of federal, state and foreign examinations, and the expiration of various statutes of limitation, it is reasonably possible that the Company’s gross unrecognized tax benefits balance may change within the next twelve months by a range of zero to $1.8 million.