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Long-Term Debt - Summary of Long-Term Debt Carrying Values Including Unamortized Discounts and Premiums (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
May 31, 2014
5.875% Senior Notes, due 2014 [Member]
May 31, 2014
3.875% Senior Note, due 2015 [Member]
May 31, 2014
5.5% Senior Notes, due 2016 [Member]
May 31, 2014
5.125% Senior Notes, due 2018 [Member]
May 31, 2014
8.5% Senior Notes, due 2019 [Member]
May 31, 2014
2.375% Euro Medium Term Notes, due 2020 [Member]
May 20, 2014
2.375% Euro Medium Term Notes, due 2020 [Member]
May 31, 2014
6.875% Senior Note, due 2021 [Member]
May 31, 2014
2.25% Euro Medium Term Notes, due 2022 [Member]
May 31, 2014
5.125% Senior Notes, due 2023 [Member]
May 31, 2014
6.45% Senior Debentures, due 2027 [Member]
May 31, 2014
3.875% Convertible Senior Debentures due 2029 [Member]
May 31, 2014
6.25% Senior Debentures, due 2036 [Member]
May 31, 2014
6.50% Senior Notes, due 2043 [Member]
May 31, 2014
Successor [Member]
3.875% Convertible Senior Debentures due 2029 [Member]
May 31, 2013
Successor [Member]
3.875% Convertible Senior Debentures due 2029 [Member]
May 31, 2014
Successor [Member]
3.875% Convertible Senior Debentures due 2029 [Member]
Nov. 30, 2013
Successor [Member]
3.875% Convertible Senior Debentures due 2029 [Member]
Debt Instrument [Line Items]                                    
Interest rate 5.875% 3.875% 5.50% 5.125% 8.50% 2.375% 2.375% 6.875% 2.25% 5.125% 6.45% 3.875% 6.25% 6.50%        
Effective interest rate 1.51% 2.17% 2.52% 3.46% 4.00% 2.42%   4.40% 4.08% 4.55% 5.46% 3.50% 6.03% 6.09%        
Convertible Senior debentures includes fair value                             $ 3.9   $ 3.9 $ 9.6
Consolidated Statement of Earnings (gain) loss amount                             $ 3.7 $ 7.1 $ 5.7