Retirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2014

Compensation And Retirement Disclosure [Abstract]

Components of Net Pension Expense

The components of net periodic pension expense for our U.S. and foreign defined benefit retirement plans are as follows (in millions):

	Three Months Ended March 31,
	2014			2013
Service cost	$	6.7		$	7.1
Interest cost		6.4			4.7
Expected return on plan assets		(10.4	)		(8.9	)
Amortization of prior service cost		(1.0	)		(1.0	)
Amortization of unrecognized actuarial loss		2.9			4.7
Net periodic pension expense	$	4.6		$	6.6