Employee Benefit And Retirement Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Employee Benefit And Retirement Plans [Line Items]
Loss on voluntary pension settlement	$ 15.3	$ 0	$ 0
Unrecognized actuarial losses and unrecognized prior service credit, before tax	242.2
Unrecognized actuarial losses and unrecognized prior service credit, net of tax	167.7	320.5
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax	239.6
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax	2.6
Expected actuarial losses, net of prior service credit, before tax	16.8
Expected actuarial losses, net of prior service credit, net of tax	11.3
Amortization of net actuarial loss	16.5
Amortization of prior service costs	0.3
Dividends paid	179.9	164.7	148.5
Assumed annual increase in cost of health care benefits	7.00%	7.60%
Ultimate health care cost trend rate	5.00%	5.00%
Ultimate health care cost trend rate, year	2021	2021
United States Pension Plans [Member]
Employee Benefit And Retirement Plans [Line Items]
Loss on voluntary pension settlement	15.3	0	0
Defined Benefit Plan, Settlements, Plan Assets	63.3
Unrecognized actuarial losses and unrecognized prior service credit, net of tax	95.5	212.5
Amortization of net actuarial loss	29.5	18.1	13.3
Amortization of prior service costs	0	(0.1)	(0.1)
Benefit obligation	607.7	735.2	588.5
Accrued liability related to the plan	81.2	215.4
Accumulated benefit obligation	532.8	660.2
Percentage of pension plan assets in equity securities	100.00%	100.00%
International Pension Plans [Member]
Employee Benefit And Retirement Plans [Line Items]
Loss on voluntary pension settlement	0	0	0
Unrecognized actuarial losses and unrecognized prior service credit, net of tax	74.1	95.3
Amortization of net actuarial loss	5.6	3.5	2.2
Amortization of prior service costs	(0.4)	(0.4)	(0.7)
Benefit obligation	304.9	300.8	251.1
Accrued liability related to the plan	25.0	53.2
Accumulated benefit obligation	276.5	270.5
Percentage of pension plan assets in equity securities	100.00%	100.00%
Nonqualified Defined Benefit Plan [Member]
Employee Benefit And Retirement Plans [Line Items]
Benefit obligation	81.2	87.8
Accrued liability related to the plan	76.8	82.2
Assets related to the plan	74.4	63.3
401 (k) Retirement Plan [Member]
Employee Benefit And Retirement Plans [Line Items]
Fair value of McCormick stock held in plan assets	169.7
Number of shares of McCormick stock held in plan assets	2.5
Percentage of participant contribution considered for first condition of plan	100.00%
Percentage of participant salary under first condition of plan	3.00%
Percentage of participant contribution considered for second condition of plan	50.00%
Percentage of participant salary under second condition of plan	2.00%
401(k) plan expense	7.7	7.4	7.0
Dividends paid	3.5
Other Postretirement Benefits [Member]
Employee Benefit And Retirement Plans [Line Items]
Amortization of net actuarial loss	1.4	0	0.7
Amortization of prior service costs	1.2	4.0	5.9
Benefit obligation	94.9	112.8	99.3
Age after which employees retire	55 years
Minimum number of years in service	5 years
Assumed discount rate	4.70%	3.80%
U.S. Equity Securities [Member]
Employee Benefit And Retirement Plans [Line Items]
Fair value of McCormick stock held in plan assets	31.6	29.4
Number of shares of McCormick stock held in plan assets	0.5	0.5
Percentage of pension plan assets in equity securities	5.70%	5.70%
Dividends paid	$ 0.6