Debt (Tables)

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Summary of Debt Instruments

Our debt consisted of the following (in millions):

	September 30, 2014			December 31, 2013
Short-term debt
Senior Notes due 2014	$	250.0		$	—
Long-term debt
Senior Notes due 2014	$	—		$	250.0
Senior Notes due 2019		500.0			500.0
Senior Notes due 2021		300.0			300.0
Senior Notes due 2039		500.0			500.0
Japan term loan		107.6			112.4
Other long-term debt		4.0			2.1
Debt discount		(1.5	)		(1.5	)
Adjustment related to interest rate swaps		16.3			9.3
Total long-term debt	$	1,426.4		$	1,672.3