Business Segments And Geographic Areas (Net Sales And Long-Lived Assets Geographic Areas) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Nov. 30, 2014	Aug. 31, 2014	May 31, 2014	Feb. 28, 2014	Nov. 30, 2013	Aug. 31, 2013	May 31, 2013	Feb. 28, 2013	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Segment Reporting Information [Line Items]
Net sales	$ 1,173.6	$ 1,042.8	$ 1,033.4	$ 993.4	$ 1,170.1	$ 1,016.4	$ 1,002.6	$ 934.4	$ 4,243.2	$ 4,123.4	$ 4,014.2
Long-lived assets	2,655.7				2,708.5				2,655.7	2,708.5	2,566.1
UNITED STATES
Segment Reporting Information [Line Items]
Net sales									2,357.5	2,357.0	2,351.5
Long-lived assets	1,284.0				1,275.7				1,284.0	1,275.7	1,291.5
EMEA [Member]
Segment Reporting Information [Line Items]
Net sales									930.8	883.4	860.5
Long-lived assets	920.0				989.2				920.0	989.2	956.6
Other Countries [Member]
Segment Reporting Information [Line Items]
Net sales									954.9	883.0	802.2
Long-lived assets	$ 451.7				$ 443.6				$ 451.7	$ 443.6	$ 318.0