Business Segments And Geographic Areas (Net Sales And Long-Lived Assets Geographic Areas) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Segment Reporting Information [Line Items]
Revenues	$ 1,484.8	$ 1,329.2	$ 1,301.9	$ 1,231.5	$ 1,467.9	$ 1,318.2	$ 1,301.3	$ 1,215.4	$ 5,347.4	$ 5,302.8	$ 4,730.3
Long-lived assets	8,304.8				8,342.7				8,304.8	8,342.7	8,335.6
United States
Segment Reporting Information [Line Items]
Revenues									3,226.3	3,145.0	2,748.7
Long-lived assets	6,397.0				6,411.0				6,397.0	6,411.0	6,329.1
EMEA [Member]
Segment Reporting Information [Line Items]
Revenues									986.1	1,021.1	948.9
Long-lived assets	1,032.4				1,057.1				1,032.4	1,057.1	1,125.3
Other Countries [Member]
Segment Reporting Information [Line Items]
Revenues									1,135.0	1,136.7	1,032.7
Long-lived assets	$ 875.4				$ 874.6				$ 875.4	$ 874.6	$ 881.2