Business Segments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2017	Aug. 31, 2016
Segment Reporting Information [Line Items]
Operating income	$ 168.7	$ 167.8	$ 435.5	$ 421.9
Less: Special charges	4.7	4.3	13.0	9.8
Less: Transaction and integration expenses included in cost of goods sold	5.9		5.9
Less: Other transaction and integration expenses	24.5	0.0	24.5	0.0
Net sales	1,185.2	1,091.0	3,343.2	3,184.5
Operating income excluding special charges	203.8	172.1	478.9	431.7
Income from unconsolidated operations	8.2	8.1	23.6	24.2
Consumer
Segment Reporting Information [Line Items]
Operating income	117.2	124.9	300.9	300.8
Less: Special charges	3.0	2.4	8.5	7.2
Less: Transaction and integration expenses included in cost of goods sold	3.2		3.2
Less: Other transaction and integration expenses	16.3		16.3
Net sales	696.8	662.0	1,991.8	1,937.6
Operating income excluding special charges	139.7	127.3	328.9	308.0
Income from unconsolidated operations	6.8	6.8	20.0	20.6
Industrial
Segment Reporting Information [Line Items]
Operating income	51.5	42.9	134.6	121.1
Less: Special charges	1.7	1.9	4.5	2.6
Less: Transaction and integration expenses included in cost of goods sold	2.7		2.7
Less: Other transaction and integration expenses	8.2		8.2
Net sales	488.4	429.0	1,351.4	1,246.9
Operating income excluding special charges	64.1	44.8	150.0	123.7
Income from unconsolidated operations	$ 1.4	$ 1.3	$ 3.6	$ 3.6