We compute basic and diluted earnings per share based on the weighted-average number of shares of Common Stock and Class B common stock outstanding as follows:



For the years ended December 31,	2016					2015					2014
	Common Stock		Class B Common Stock			Common Stock		Class B Common Stock			Common Stock		Class B Common Stock
Basic earnings per share:
Numerator:
Allocation of distributed earnings (cash dividends paid)	$	367,081	$	132,394		$	352,953	$	123,179		$	328,752	$	111,662
Allocation of undistributed earnings	162,299		58,270			27,324		9,495			303,801		102,697
Total earnings—basic	$	529,380	$	190,664		$	380,277	$	132,674		$	632,553	$	214,359

Denominator (shares in thousands):
Total weighted-average shares—basic	153,519		60,620			158,471		60,620			161,935		60,620

Earnings Per Share—basic	$	3.45	$	3.15		$	2.40	$	2.19		$	3.91	$	3.54

Diluted earnings per share:
Numerator:
Allocation of total earnings used in basic computation	$	529,380	$	190,664		$	380,277	$	132,674		$	632,553	$	214,359
Reallocation of total earnings as a result of conversion of Class B common stock to Common stock	190,664		—			132,674		—			214,359		—
Reallocation of undistributed earnings	—		(324		)	—		(69		)	—		(1,071		)
Total earnings—diluted	$	720,044	$	190,340		$	512,951	$	132,605		$	846,912	$	213,288

Denominator (shares in thousands):
Number of shares used in basic computation	153,519		60,620			158,471		60,620			161,935		60,620
Weighted-average effect of dilutive securities:
Conversion of Class B common stock to Common shares outstanding	60,620		—			60,620		—			60,620		—
Employee stock options	964		—			1,335		—			1,920		—
Performance and restricted stock options	201		—			225		—			362		—
Total weighted-average shares—diluted	215,304		60,620			220,651		60,620			224,837		60,620

Earnings Per Share—diluted	$	3.34	$	3.14		$	2.32	$	2.19		$	3.77	$	3.52