Income Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Effective Income Tax Rate Reconciliation

The following table shows our effective income tax rate for the three and nine months ended September 30, 2012 and September 30, 2011:



	Three months ended September 30						Nine months ended September 30
($000)	2012			2011			2012			2011
Income before income taxes and equity in net income of unconsolidated entities	$	41,744		$	33,285		$	114,933		$	104,484
Equity in net income of unconsolidated entities	478			428			1,541			1,397
Net loss attributable to the noncontrolling interest	34			10			62			106
Total	$	42,256		$	33,723		$	116,536		$	105,987
Income tax expense	$	15,186		$	12,343		$	41,441		$	35,585
Effective tax rate	35.9		%	36.6		%	35.6		%	33.6		%

Schedule of Gross Unrecognized Tax Benefits

The table below provides information concerning our gross unrecognized tax benefits as of September 30, 2012 and December 31, 2011. The table also provides the effect these gross unrecognized tax benefits would have on our income tax expense, if they were recognized.



	As of September 30		As of December 31
($000)	2012		2011
Gross unrecognized tax benefits	$	11,732	$	12,189
Gross unrecognized tax benefits that would affect income tax expense	$	11,674	$	11,907
Decrease in income tax expense upon recognition of gross unrecognized tax benefits	$	9,543	$	9,827

Schedule of Liabilities for Unrecognized Tax Benefits

Our Condensed Consolidated Balance Sheets include the following liabilities for unrecognized tax benefits. These amounts include interest and penalties, less any associated tax benefits.



	As of September 30		As of December 31
Liabilities for Unrecognized Tax Benefits ($000)	2012		2011
Current liability	$	4,971	$	5,329
Non-current liability	6,278		6,200
Total liability for unrecognized tax benefits	$	11,249	$	11,529