CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Net sales	$ 513.8	$ 404.0	$ 991.2	$ 782.0
Manufacturing cost of sales	329.5	269.5	668.2	533.8
Selling and technical services	37.1	34.5	75.4	66.6
Research and process development	11.1	12.8	23.9	25.3
Administrative and general	30.8	35.5	61.1	61.4
Amortization of acquisition intangibles	3.8	0.9	7.5	1.7
Earnings from operations	101.5	50.8	155.1	93.2
Other expense, net	7.5	2.0	8.2	1.0
Loss on early extinguishment of debt	0	0.2	39.4	0.2
Equity in losses of associated companies	0.2	0	0.3	0
Interest expense, net	4.8	8.3	11.5	17.0
Earnings from continuing operations before income taxes	89.0	40.3	95.7	75.0
Income tax provision	26.4	27.9	24.3	38.0
Earnings from continuing operations	62.6	12.4	71.4	37.0
Earnings from operations of discontinued business, net of tax	0	28.6	31.6	53.6
Loss on sales of discontinued operations, net of tax	28.0	0	32.3	0
(Loss) earnings from discontinued operations, net of tax	(28.0)	28.6	(0.7)	53.6
Net earnings	34.6	41.0	70.7	90.6
Less: Net earnings attributable to noncontrolling interests	0	(0.4)	(0.4)	(1.0)
Net earnings attributable to Cytec Industries Inc.	34.6	40.6	70.3	89.6
Comprehensive income (loss)	(23.2)	(6.1)	(13.9)	72.6
Less: Comprehensive income attributable to noncontrolling interest	0	(0.5)	(0.2)	(0.7)
Comprehensive income (loss) attributable to Cytec Industries Inc.	$ (23.2)	$ (6.6)	$ (14.1)	$ 71.9
Basic earnings per common share
Continuing operations	$ 1.53	$ 0.27	$ 1.66	$ 0.80
Discontinued operations (net of noncontrolling interests)	$ (0.68)	$ 0.61	$ (0.02)	$ 1.14
Basic earnings (loss) per common share	$ 0.85	$ 0.88	$ 1.64	$ 1.94
Diluted earnings per common share
Continuing operations	$ 1.51	$ 0.26	$ 1.63	$ 0.79
Discontinued operations (net of noncontrolling interests)	$ (0.68)	$ 0.60	$ (0.02)	$ 1.12
Diluted earnings (loss) per common share	$ 0.83	$ 0.86	$ 1.61	$ 1.91
Dividends per common share	$ 0.125	$ 0.125	$ 0.250	$ 0.250