QUARTERLY FINANCIAL INFORMATION (Tables)

12 Months Ended

Dec. 31, 2013

QUARTERLY FINANCIAL INFORMATION

Summary of quarterly results:

	Three months ended (unaudited)								Year ended
	March 31, 2013		June 30, 2013		September 30, 2013		December 31, 2013		December 31, 2013
	($ in thousands, except per share $)
Total revenue	$	664,691	$	676,276	$	675,594	$	613,748	$	2,630,308
Gross profit		256,137		255,892		253,945		227,152		993,127
Operating income		124,520		123,671		125,974		86,334		460,498
Net income		72,643		71,688		73,033		47,657		265,021
Weighted average shares outstanding:
Basic		98,997		97,428		95,183		94,636		96,481
Diluted		99,861		98,333		96,078		95,477		97,383
Earnings per share:
Basic	$	0.73	$	0.74	$	0.77	$	0.50	$	2.75
Diluted	$	0.73	$	0.73	$	0.76	$	0.50	$	2.72

	Three months ended (unaudited)								Year ended
	March 31, 2012		June 30, 2012		September 30, 2012		December 31, 2012		December 31, 2012
	($ in thousands, except per share $)
Total revenue	$	624,272	$	619,081	$	621,607	$	565,023	$	2,429,983
Gross profit		240,709		239,437		235,214		214,377		929,738
Operating income		112,069		117,060		111,177		87,533		427,840
Net income		63,857		66,671		62,229		47,438		240,196
Weighted average shares outstanding:
Basic		105,805		106,517		102,541		99,205		103,503
Diluted		107,746		107,927		103,721		100,119		104,911
Earnings per share:
Basic	$	0.60	$	0.63	$	0.61	$	0.48	$	2.32
Diluted	$	0.59	$	0.62	$	0.60	$	0.47	$	2.29