Retirement Benefits (Tables)

6 Months Ended

May 31, 2014

Compensation And Retirement Disclosure [Abstract]

Components of Retirement Benefit Expense (Income)

Components of retirement benefit expense (income) are:

	Pension Benefits						Postretirement Medical and Life Insurance Benefits
	Three months ended
	May 31, 2014			May 31, 2013			May 31, 2014			May 31, 2013
	(In millions)
Service cost	$	2.2		$	1.4		$	—		$	0.1
Interest cost on benefit obligation		16.7			15.2			0.7			0.6
Assumed return on plan assets		(23.2	)		(24.1	)		—			—
Amortization of prior service credits		—			—			(0.2	)		(0.2	)
Recognized net actuarial losses (gains)		13.5			23.7			(0.8	)		(0.6	)
Retirement benefit expense (income)	$	9.2		$	16.2		$	(0.3	)	$	(0.1	)

	Pension Benefits						Postretirement Medical and Life Insurance Benefits
	Six months ended
	May 31, 2014			May 31, 2013			May 31, 2014			May 31, 2013
	(In millions)
Service cost	$	4.4		$	2.7		$	—		$	0.1
Interest cost on benefit obligation		33.5			30.4			1.3			1.2
Assumed return on plan assets		(46.4	)		(48.2	)		—			—
Amortization of prior service credits		—			—			(0.4	)		(0.4	)
Recognized net actuarial losses (gains)		26.9			47.3			(1.5	)		(1.1	)
Retirement benefit expense (income)	$	18.4		$	32.2		$	(0.6	)	$	(0.2	)