Earnings Per Share

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Share

22. Earnings Per Share

The computations of basic and diluted net earnings per share are as follows:

				(in thousands, except per share data)
	2015			2014			2013
Basic net earnings per share:
Basic net earnings	$	357,659		$	713,946		$	488,025
Earnings allocated to participating securities		(1,514	)		(2,321	)		(1,919	)
Net earnings available to common stockholders	$	356,145		$	711,625		$	486,106
Average shares outstanding		320,565			319,838			319,077
Basic net earnings per share	$	1.11		$	2.22		$	1.52
Diluted net earnings per share:
Diluted net earnings	$	357,659		$	713,946		$	488,025
Earnings allocated to participating securities		(1,514	)		(2,321	)		(1,919	)
Net earnings available to common stockholders	$	356,145		$	711,625		$	486,106
Diluted average shares outstanding:
Basic shares outstanding		320,565			319,838			319,077
Dilutive effect of stock options and other		128			289			189
		320,693			320,127			319,266
Diluted net earnings per share	$	1.11		$	2.22		$	1.52

The following stock options were excluded from the computation of diluted net earnings per share because their effect would have been anti-dilutive (shares in thousands):

	2015		2014		2013
Anti-dilutive stock options:
Weighted average shares		1,226		—		137
Weighted average exercise price	$	47.20	$	—	$	44.51