A reconciliation of the numerators and denominators used in the basic and diluted per-share computations is presented as follows for each class of common stock:



	Three months ended June 30,
	2017					2016
(dollars in thousands, except per share data)	Allocated net income (numerator)		Weighted shares (denominator)	Per-share amount		Allocated net income (numerator)		Weighted shares (denominator)	Per-share amount
Class A – Basic EPS:
Income available to Class A stockholders	$	58,048	46,180,852	$	1.26	$	60,807	46,188,867	$	1.32
Dilutive effect of stock-based awards	0		17,743	—		0		103,195	—
Assumed conversion of Class B shares	479		6,100,800	—		502		6,100,800	—
Class A – Diluted EPS:
Income available to Class A stockholders on Class A equivalent shares	$	58,527	52,299,395	$	1.12	$	61,309	52,392,862	$	1.17
Class B – Basic EPS:
Income available to Class B stockholders	$	479	2,542	$	189	$	502	2,542	$	197
Class B – Diluted EPS:
Income available to Class B stockholders	$	479	2,542	$	188	$	502	2,542	$	197



	Six months ended June 30,
	2017					2016
(dollars in thousands, except per share data)	Allocated net income (numerator)		Weighted shares (denominator)	Per-share amount		Allocated net income (numerator)		Weighted shares (denominator)	Per-share amount
Class A – Basic EPS:
Income available to Class A stockholders	$	105,532	46,184,666	$	2.28	$	106,327	46,188,967	$	2.30
Dilutive effect of stock-based awards	0		69,748	—		0		168,627	—
Assumed conversion of Class B shares	871		6,100,800	—		877		6,100,800	—
Class A – Diluted EPS:
Income available to Class A stockholders on Class A equivalent shares	$	106,403	52,355,214	$	2.03	$	107,204	52,458,394	$	2.04
Class B – Basic EPS:
Income available to Class B stockholders	$	871	2,542	$	343	$	877	2,542	$	345
Class B – Diluted EPS:
Income available to Class B stockholders	$	871	2,542	$	343	$	877	2,542	$	345