Quarterly Information (unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations

Following is a summary of the quarterly results of operations for 2016 and 2015. All quarters have 13 weeks, except the fourth quarter of 2016 which has 14 weeks.

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	Quarter
	First		Second	Third	Fourth
	(Amounts are in thousands, except per share amounts)
2016
Revenues	$	8,790,561	8,190,537	8,090,649	9,202,362
Costs and expenses	7,963,774		7,531,186	7,555,012	8,472,486
Net earnings	581,889		478,187	421,135	544,477
Basic and diluted earnings per share	0.75		0.62	0.55	0.71
2015
Revenues	$	8,412,745	8,018,031	7,902,144	8,285,839
Costs and expenses	7,638,951		7,349,591	7,344,018	7,607,958
Net earnings	548,918		482,741	412,314	521,075
Basic and diluted earnings per share	0.71		0.62	0.53	0.68