UNAUDITED SUPPLEMENTARY DATA (Tables)

12 Months Ended

Dec. 31, 2019

UNAUDITED SUPPLEMENTARY DATA [Abstract]

Summary of Selected Quarterly Financial Information (Unaudited)

	2019
	Three Months Ended
in thousands, except per share data	March 31	June 30	Sept 30	Dec 31
Total revenues	$     996,511	$  1,327,682	$  1,418,758	$  1,186,152
Gross profit	191,675	370,502	400,643	293,081
Operating earnings	104,433	276,074	303,376	193,575
Earnings from continuing operations	63,935	197,907	218,066	142,595
Net earnings	63,299	197,558	215,713	141,092
Basic earnings per share from continuing operations	$           0.48	$           1.50	$           1.65	$           1.08
Diluted earnings per share from continuing operations	$           0.48	$           1.48	$           1.63	$           1.07
Basic net earnings per share	$           0.48	$           1.49	$           1.63	$           1.07
Diluted net earnings per share	$           0.48	$           1.48	$           1.62	$           1.06

	2018
	Three Months Ended
in thousands, except per share data	March 31	June 30	Sept 30	Dec 31
Total revenues	$     854,474	$  1,200,151	$  1,240,197	$  1,088,047
Gross profit	159,334	323,184	343,142	275,285
Operating earnings	81,195	230,843	249,184	186,491
Earnings from continuing operations	53,395	160,302	179,864	124,280
Net earnings	52,979	159,652	179,151	124,023
Basic earnings per share from continuing operations	$           0.40	$           1.21	$           1.36	$           0.94
Diluted earnings per share from continuing operations	$           0.40	$           1.20	$           1.34	$           0.93
Basic net earnings per share	$           0.40	$           1.21	$           1.35	$           0.94
Diluted net earnings per share	$           0.39	$           1.19	$           1.34	$           0.93