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Employee Benefit And Retirement Plans (Tables)
 12 Months Ended
Nov. 30, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Significant Assumptions Used To Determine Benefit Obligations
The significant assumptions used to determine benefit obligations are as follows as of November 30:
  
United States
International
  
2016
2015
2016
2015
Discount rate—funded plan
4.6
%
4.7
%
3.2
%
3.9
%
Discount rate—unfunded plan
4.5
%
4.7
%
—

—

Salary scale
3.8
%
3.8
%
3.0-3.5%

3.0-3.6%
Schedule of Net Benefit Costs [Table Text Block]
The significant assumptions used to determine pension expense are as follows:
  
United States
International
  
2016
2015
2014
2016
2015
2014
Discount rate—funded plan
4.7
%
4.4
%
5.2
%
3.9
%
3.8
%
4.6
%
Discount rate—unfunded plan
4.7
%
4.3
%
5.1
%
—

—

—

Salary scale
3.8
%
3.8
%
3.8
%
3.5
%
3.5
%
3.0-3.8%

Expected return on plan assets
7.5
%
7.8
%
8.0
%
6.0
%
6.3
%
6.8
%
Amounts Recorded In Balance Sheet, Defined Benefit Pension Plans
Amounts recorded in the balance sheet for all defined benefit pension plans consist of the following:
  
United States
International    
(millions)
2016
2015
2016
2015
Non-current pension asset
$
—

$
—

$
1.5

$
3.8

Accrued pension liability
198.1

173.4

37.3

23.6

Deferred income tax assets
90.9

85.9

16.9

13.4

Accumulated other comprehensive loss
149.2

140.6

76.0

68.2
Fair Value Of Pension Plan Assets
The following tables set forth by level, within the fair value hierarchy as described in note 8, pension plan assets at their fair value as of November 30, 2016 and 2015 for the United States and international plans:
As of November 30, 2016
United States
(millions)
Total
fair
value
Level 1
Level 2
Level 3
Cash and cash equivalents
$
5.9

$
5.9

$
—

$
—

Equity securities:
 
 
 
 
U.S. equity securities(a)
273.0

134.0

139.0

—

International equity securities(b)
112.6

112.6

—

—

Fixed income securities:
 
 
 
 
U.S. government/corporate bonds(c)
33.5

33.5

—

—

High yield bonds(d)
33.6

—

33.6

—

International/government/corporate bonds(e)
25.2

25.2

—

—

Insurance contracts(f)
1.1

—

1.1

—

Other types of investments:
 
 
 
 
Hedge funds(g)
40.7

—

—

40.7

Private equity funds(h)
4.1

—

—

4.1

Real estate (i)
16.8

16.8

—

—

Natural resources (j)
12.4

—

12.4

—

Total investments
$
558.9

$
328.0

$
186.1

$
44.8

 
As of November 30, 2016
International
(millions)
Total
fair
value
Level 1
Level 2
Level 3
Cash and cash equivalents
$
0.1

$
0.1

$
—

$
—

International equity securities(b)
161.1

—

161.1

—

Fixed income securities:
 
 
 
 
  U.S./government/ corporate bonds(c)
107.8

—

107.8

—

Insurance contracts(f)
20.1

—

20.1

—

Total investments
$
289.1

$
0.1

$
289.0

$
—

As of November 30, 2015
United States
(millions)
Total 
fair  
value 
Level 1
Level 2
Level 3
Cash and cash equivalents
$
11.0

$
11.0

$
—

$
—

Equity securities:
 
 
 
 
U.S. equity securities(a)
270.1

141.2

128.9

—

International equity securities(b)
105.7

105.7

—

—

Fixed income securities:
 
 
 
 
U.S./government/ corporate bonds(c)
32.3

32.3

—

—

High yield bonds(d)
33.2

—

33.2

—

International/government/ corporate bonds(e)
25.2

25.2

—

—

Insurance contracts(f)
1.1

—

1.1

—

Other types of investments:
 
 
 
 
Hedge funds(g)
37.6

—

—

37.6

Private equity funds(h)
4.9

—

—

4.9

Real estate (i)
16.5

16.5

—

—

Natural resources (j)
11.0

—

11.0

—

Total investments
$
548.6

$
331.9

$
174.2

$
42.5

As of November 30, 2015
 
International
(millions)
Total 
fair   
value 
Level 1
Level 2
Level 3
Cash and cash equivalents
$
0.9

$
0.9

$
—

$
—

International equity securities(b)
156.8

—

156.8

—

Fixed income securities:
 
 
 
 
U.S./government/ corporate bonds(c)
110.6

—

110.6

—

Insurance contracts(f)
20.0

—

20.0

—

Total investments
$
288.3

$
0.9

$
287.4

$
—

(a)
This category comprises equity funds and collective equity trust funds that most closely track the S&P index and other equity indices.
(b)
This category comprises international equity funds with varying benchmark indices.
(c)
This category comprises funds consisting of U.S. government and U.S. corporate bonds and other fixed income securities. An appropriate benchmark is the Barclays Capital Aggregate Bond Index.
(d)
This category comprises funds consisting of real estate related debt securities with an appropriate benchmark of the Barclays Investment Grade CMBS Index.
(e)
This category comprises funds consisting of international government/corporate bonds and other fixed income securities with varying benchmark indices.
(f)
This category comprises insurance contracts, the majority of which have a guaranteed investment return.
(g)
This category comprises hedge funds investing in strategies represented in various HFRI Fund Indices.
(h)
This category comprises private equity, venture capital and limited partnerships.
(i)
This category comprises funds investing in real estate investment trusts (REIT). An appropriate benchmark is the MSCI U.S. REIT Index.
(j)
This category comprises funds investing in natural resources. An appropriate benchmark is the Alerian master limited partnership (MLP) Index.
Change In Fair Value Of Level 3 Pension Plan Assets
The change in fair value of the plans’ Level 3 assets for 2015 is summarized as follows:
(millions)
Beginning
of year
Realized
gains
Unrealized
gains (losses)
Net,
purchases
and (sales)
End of
year
Hedge funds
$
54.7

$
2.0

$
(2.3
)
$
(16.8
)
$
37.6

Private equity funds
5.0

0.7

(0.1
)
(0.7
)
4.9

Total
$
59.7

$
2.7

$
(2.4
)
$
(17.5
)
$
42.5

he change in fair value of the plans’ Level 3 assets for 2016 is summarized as follows:
(millions)
Beginning
of year
Realized
gains (losses)
Unrealized
gains (losses)
Net,
purchases
and (sales)
End of
year
Hedge funds
$
37.6

$
(1.1
)
$
1.0

$
3.2

$
40.7

Private equity funds
4.9

0.8

(0.5
)
(1.1
)
4.1

Total
$
42.5

$
(0.3
)
$
0.5

$
2.1

$
44.8
Pension Plans [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Components Of Defined Benefit Plans
Our pension expense was as follows:
  
United States
International
(millions)
2016
2015
2014
2016
2015
2014
Service cost
$
21.5

$
23.6

$
20.0

$
7.1

$
8.2

$
7.8

Interest costs
33.3

31.6

31.1

11.3

12.0

13.8

Expected return on plan assets
(40.8
)
(40.2
)
(38.8
)
(16.2
)
(17.2
)
(18.7
)
Amortization of prior service costs
—

—

—

0.3

0.3

0.3

Amortization of net actuarial loss
12.6

16.8

11.8

4.1

6.0

4.6

 
$
26.6

$
31.8

$
24.1

$
6.6

$
9.3

$
7.8
Benefit Obligation, Fair Value Of Plan Assets And Reconciliation Of Defined Benefit Plans
  
United States
International
(millions)
2016
2015
2016
2015
Change in benefit obligation:
 
 
 
 
Benefit obligation at beginning of year
$
722.0

$
728.4

$
308.1

$
341.6

Service cost
21.5

23.6

7.1

8.2

Interest costs
33.3

31.6

11.3

12.0

Employee contributions
—

—

1.1

1.3

Actuarial loss (gain)
10.6

(32.0
)
47.5

(10.7
)
Benefits paid
(30.4
)
(29.6
)
(14.9
)
(13.9
)
Expenses paid
—

—

(0.5
)
(0.6
)
Foreign currency impact
—

—

(34.8
)
(29.8
)
Benefit obligation at end of year
$
757.0

$
722.0

$
324.9

$
308.1

Change in fair value of plan assets:
 



Fair value of plan assets at beginning of year
$
548.6

$
576.3

$
288.3

$
305.3

Actual return on plan assets
25.3

(3.2
)
38.3

11.7

Employer contributions
15.4

5.1

9.7

10.6

Employee contributions
—

—

1.1

1.3

Benefits paid
(30.4
)
(29.6
)
(14.9
)
(13.9
)
Expenses paid
—

—

(0.5
)
(0.6
)
Foreign currency impact
—

—

(32.9
)
(26.1
)
Fair value of plan assets at end of year
$
558.9

$
548.6

$
289.1

$
288.3

Funded status
$
(198.1
)
$
(173.4
)
$
(35.8
)
$
(19.8
)
Pension plans in which accumulated benefit obligation exceeded plan assets
 
 
 
 
Projected benefit obligation
$
757.0

$
722.0

$
218.8

$
34.4

Accumulated benefit obligation
674.9

638.8

208.8

31.2

Fair value of plan assets
558.9

548.6

191.9

20.0
Other Postretirement Benefits [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Expected Benefit Payments [Table Text Block]
Estimated future benefit payments (net of employee contributions) for the next 10 fiscal years are as follows:
(millions)
Retiree
medical
Retiree life
insurance
Total
2017
$
6.1

$
1.3

$
7.4

2018
6.1

1.3

7.4

2019
6.0

1.3

7.3

2020
6.0

1.3

7.3

2021
5.9

1.3

7.2

2022-2026
28.5

6.9

35.4
Components Of Defined Benefit Plans
(millions)
2016
2015
2014
Service cost
$
2.7

$
3.1

$
3.6

Interest costs
3.8

3.7

4.3

Postretirement benefit expense
$
6.5

$
6.8

$
7.9
Benefit Obligation, Fair Value Of Plan Assets And Reconciliation Of Defined Benefit Plans
Rollforwards of the benefit obligation, fair value of plan assets and a reconciliation of the plans’ funded status at November 30, the measurement date, follow:
(millions)
2016
2015
Change in benefit obligation:
 
 
Benefit obligation at beginning of year
$
92.4

$
96.3

Service cost
2.7

3.1

Interest costs
3.8

3.7

Employee contributions
3.6

3.4

Demographic assumptions change
(0.2
)
(1.7
)
Other plan assumptions
(0.1
)
0.3

Trend rate assumption change
—

0.2

Discount rate change
0.8

(1.5
)
Actuarial loss (gain)
2.0

(1.6
)
Benefits paid
(9.5
)
(9.8
)
Benefit obligation at end of year
$
95.5

$
92.4

Change in fair value of plan assets:
 
 
Fair value of plan assets at beginning of year
$
—

$
—

Employer contributions
5.9

6.4

Employee contributions
3.6

3.4

Benefits paid
(9.5
)
(9.8
)
Fair value of plan assets at end of year
$
—

$
—

Other postretirement benefit liability
$
95.5

$
92.4
United States Pension Plans [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Expected Benefit Payments [Table Text Block]
(millions)
United States
International
2017
$
29.3

$
8.9

2018
30.3

9.0

2019
31.7

9.8

2020
34.1

10.0

2021
36.3

10.6

2022-2026
215.6

61.1
Allocations Of Pension Plan Assets
The allocations of U.S. pension plan assets as of November 30, 2016 and 2015, by asset category, were as follows:
  
Actual
2016
Asset Category
2016
2015
Target
Equity securities
69.0
%
68.5
%
61.0
%
Fixed income securities
16.7
%
16.7
%
17.0
%
Other
14.3
%
14.8
%
22.0
%
Total
100.0
%
100.0
%
100.0
%
International Pension Plans [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Expected Benefit Payments [Table Text Block]

Allocations Of Pension Plan Assets
The allocations of the international pension plans’ assets as of November 30, 2016 and 2015, by asset category, were as follows:
  
Actual
2016
Asset Category
2016
2015
Target    
Equity securities
55.7
%
54.4
%
53.0
%
Fixed income securities
44.2
%
45.3
%
40.5
%
Other
0.1
%
0.3
%
6.5
%
Total
100.0
%
100.0
%
100.0
%