Research and Development Expenditures (Tables)

6 Months Ended

Jun. 30, 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 June 30,						Six Months Ended June 30,
(in millions)	2015			2014			2015			2014
Gross R&D expenditures	$	94.2		$	101.5		$	186.6		$	196.0
Customer reimbursements	(14.1		)	(11.4		)	(31.1		)	(23.9		)
Net R&D expenditures	$	80.1		$	90.1		$	155.5		$	172.1