Research and Development Expenditures (Tables)

3 Months Ended

Mar. 31, 2015

Research and Development [Abstract]

Gross and net expenditures on research and development ("R&D") activities

The following table presents the Company’s gross and net expenditures on R&D activities:

	Three Months Ended March 31,
(in millions)	2015			2014
Gross R&D expenditures	$	92.4		$	94.5
Customer reimbursements	(17.0		)	(12.5		)
Net R&D expenditures	$	75.4		$	82.0