EARNINGS PER SHARE (EPS) (Computation Of Basic And Diluted Earnings Per Common Share) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator:
Earnings from continuing operations	$ 59.5	$ 53.8	$ 158.2	$ 172.1
(Loss) earnings from discontinued operations, net of tax	0.0	(0.2)	(1.5)	11.0
Net earnings	$ 59.5	$ 53.6	$ 156.7	$ 183.1
Denominator:
Weighted average shares outstanding	72,098	72,498	71,966	72,234
Diluted average shares outstanding	73,408	73,667	73,135	73,500
Basic earnings per common share:
Basic EPS from continuing operations	$ 0.83	$ 0.74	$ 2.20	$ 2.38
Basic EPS from discontinued operations	0.00	0.00	(0.02)	0.15
Net earnings per common share	0.83	0.74	2.18	2.53
Diluted earnings per common share:
Diluted EPS from continuing operations	0.81	0.73	2.16	2.34
Diluted EPS from discontinued operations	0.00	0.00	(0.02)	0.15
Net earnings per common share	$ 0.81	$ 0.73	$ 2.14	$ 2.49
Options and stock-settled SARS activity
Denominator:
Effect of dilutive shares	1,143	984	1,007	1,058
Nonvested stock and stock units
Denominator:
Effect of dilutive shares	167	185	162	208