Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Unaudited Quarterly Results of Operations

The following is the summary of the unaudited quarterly results of operations for the two years ended December 31, 2012 and 2011, in thousands.

	Three Months Ended								Year Ended December 31, 2012
	March 31, 2012		June 30, 2012		September 30, 2012 (1)		December 31, 2012
Revenue	$	639,062	$	661,895	$	656,896	$	680,171	$	2,638,024
Cost of services		291,702		307,286		307,699		317,772		1,224,459
Gross Profit		347,360		354,609		349,197		362,399		1,413,565
SG&A		233,118		233,110		231,905		237,257		935,390
Operating income		114,242		121,499		117,292		125,142		478,175
Net income	$	34,044	$	36,694	$	22,096	$	32,707	$	125,541

	Three Months Ended								Year Ended December 31, 2011
	March 31, 2011		June 30, 2011		September 30, 2011		December 31, 2011(2)
Revenue	$	610,818	$	622,820	$	632,803	$	624,884	$	2,491,325
Cost of services		271,603		276,220		284,406		281,060		1,113,289
Gross Profit		339,215		346,600		348,397		343,824		1,378,036
SG&A		220,408		223,849		216,450		249,201		909,908
Operating income		118,807		122,751		131,947		94,623		468,128
Net income	$	34,580	$	34,378	$	37,347	$	21,188	$	127,493

(1) Results of operations in the third quarter of 2012 were affected by a pre-tax $10.0 million expense associated with the dividend equivalent attributed to participants in our Deferred Compensation Plan, $8.3 million of additional share based compensation associated with the dividend and $10.3 million of additional interest expense incurred with the refinancing for the additional borrowings of approximately $521.6 million due to the dividends declared and dividend equivalents paid in August 2012.

(2) Results of operations in the fourth quarter of 2011 were affected by a pre-tax $18.5 million share based compensation expense for the modification of vesting criteria of restricted stock grants. $12.1 million was not deductible for tax purposes.