Employee Benefit Plans (Notes)

9 Months Ended

Oct. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits Disclosure

EMPLOYEE BENEFIT PLANS

The Company maintains several pension and retirement plans, and also provides certain health-care and life insurance benefits.

Net periodic pension and other postretirement benefit expense included the following components:

	Three Months Ended October 31,
	Pension Benefits						Other Postretirement Benefits
(in millions)	2016			2015			2016			2015
Net Periodic Benefit Cost:
Service cost	$	4.4		$	5.8		$	0.7		$	1.1
Interest cost	7.9			7.6			0.8			0.8
Expected return on plan assets	(5.9		)	(6.2		)	—			—
Amortization of prior service credit	—			—			(0.2		)	(0.2		)
Amortization of net loss	3.7			7.2			—			0.4
Net expense	$	10.1		$	14.4		$	1.3		$	2.1

	Nine Months Ended October 31,
	Pension Benefits						Other Postretirement Benefits
(in millions)	2016			2015			2016			2015
Net Periodic Benefit Cost:
Service cost	$	13.1		$	17.0		$	2.1		$	3.2
Interest cost	23.7			22.9			2.3			2.4
Expected return on plan assets	(17.6		)	(18.5		)	—			—
Amortization of prior service credit	—			—			(0.5		)	(0.5		)
Amortization of net loss	11.0			21.7			—			1.1
Net expense	$	30.2		$	43.1		$	3.9		$	6.2