Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 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 June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Service cost	$	6.0		$	7.0		$	12.7		$	14.1
Interest cost		5.9			4.7			12.3			9.4
Expected return on plan assets		(9.9	)		(8.9	)		(20.3	)		(17.8	)
Amortization of prior service cost		(0.9	)		(0.9	)		(1.9	)		(1.9	)
Amortization of unrecognized actuarial loss		2.8			4.6			5.7			9.3
Net periodic pension expense	$	3.9		$	6.5		$	8.5		$	13.1