Summary of Quarterly Data (Unaudited)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Data (Unaudited)

Summary of Quarterly Data (Unaudited)

A summary of quarterly data follows:

	For the Three Months Ended
	March 31, 2019			June 30, 2019			September 30, 2019			December 31, 2019
Net sales	$	941		$	1,009		$	1,018		$	1,008
Gross profit (a)	$	177		$	193		$	191		$	188
Goodwill impairment	$	—		$	—		$	939		$	(1	)
Operating loss	$	(9	)	$	(5	)	$	(958	)	$	(25	)
Net loss attributable to Covetrus (b)	$	(13	)	$	(10	)	$	(959	)	$	(37	)
Loss per share: (b)
Basic	$	(0.14	)	$	(0.09	)	$	(8.56	)	$	(0.33	)
Diluted	$	(0.14	)	$	(0.09	)	$	(8.56	)	$	(0.33	)
(a) 2019 quarterly data reflects a reclassification of Vets First Choice shipping expenses that were previously included in Selling, general and administrative into Cost of sales to classify these Vets First Choice shipping expenses consistently with the rest of our business.
(b) The third quarter ended September 30, 2019 includes a revision (see Note 14 - Income Taxes).

	For the Three Months Ended
	March 31, 2018		June 30, 2018		September 30, 2018		December 29, 2018
Net sales	$	947	$	1,005	$	923	$	903
Gross profit	$	176	$	183	$	166	$	159
Operating income	$	32	$	38	$	34	$	33
Net income attributable to Covetrus	$	23	$	29	$	16	$	33
Earnings per share:
Basic	$	0.32	$	0.40	$	0.22	$	0.47
Diluted	$	0.31	$	0.40	$	0.22	$	0.46