Earnings Per Share Reconciliation (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share Reconciliation

Computation of basic and diluted earnings per share

	THREE MONTHS ENDED
	MARCH 31,
(in thousands, except share data)	2015		2014
NUMERATOR
Net income	$	26,457	$	23,527
Less: undistributed earnings allocated to nonvested restricted stock	-		(30		)
Numerator for basic earnings per share	26,457		23,497
Plus: interest on 1.6 percent convertible senior notes due 2018	729		729
Plus: interest on 0.25 percent convertible senior notes due 2019	299		299
Plus: undistributed earnings allocated to nonvested restricted stock	-		30
Less: undistributed earnings reallocated to nonvested restricted stock	-		(24		)
Numerator for diluted earnings per share	$	27,485	$	24,531
DENOMINATOR
Basic earnings per share—weighted-average shares	46,465,586		46,579,280
Effect of dilutive securities:
Share-based payments	925,809		957,906
1.6 percent convertible senior notes due 2018	7,023,780		7,023,780
0.25 percent convertible senior notes due 2019	3,565,962		3,565,962
Diluted earnings per share—adjusted weighted-average
shares and assumed conversions	57,981,137		58,126,928
NET INCOME PER COMMON SHARE
Basic	$	0.57	$	0.50
Diluted	$	0.47	$	0.42