Unaudited Quarterly Financial Information

12 Months Ended

Sep. 30, 2017

Quarterly Financial Information Disclosure [Abstract]

Unaudited Quarterly Financial Information

Note T. Unaudited Quarterly Financial Information

Unaudited financial results by quarter for fiscal 2017 and 2016 are summarized below:

	Quarters Ended								Year Ended
	December 31		March 31		June 30		September 30		September 30
	2017
	(In millions, except per share amounts)
Net sales and other operating revenues	$	611	$	678	$	705	$	723	$	2,717
Gross profit	$	157	$	169	$	159	$	167	$	652
Net income (loss)	$	58	$	80	$	53	$	75	$	266
Net income (loss) attributable to Cabot Corporation	$	54	$	74	$	45	$	68	$	241
Earnings per common share—basic	$	0.85	$	1.19	$	0.71	$	1.08	$	3.83
Earnings per common share—diluted	$	0.85	$	1.18	$	0.71	$	1.06	$	3.80

	Quarters Ended									Year Ended
	December 31			March 31		June 30		September 30		September 30
	2016
	(In millions, except per share amounts)
Net sales and other operating revenues	$	603		$	568	$	621	$	619	$	2,411
Gross profit	$	99		$	150	$	160	$	169	$	578
Income (loss) from discontinued operations, net of tax	$	—		$	—	$	—	$	1	$	1
Net income (loss)	$	(3	)	$	52	$	60	$	55	$	164
Net income (loss) attributable to Cabot Corporation	$	(7	)	$	48	$	56	$	52	$	149
Earnings per common share—basic:
Income (loss) from continuing operations	$	(0.11	)	$	0.76	$	0.90	$	0.81	$	2.36
Income (loss) from discontinued operations		—			—		—		0.02		0.02
Net income (loss) attributable to Cabot Corporation	$	(0.11	)	$	0.76	$	0.90	$	0.83	$	2.38
Earnings per common share—diluted:
Income (loss) from continuing operations	$	(0.11	)	$	0.76	$	0.88	$	0.81	$	2.34
Income (loss) from discontinued operations		—			—		—		0.02		0.02
Net income (loss) attributable to Cabot Corporation	$	(0.11	)	$	0.76	$	0.88	$	0.83	$	2.36