Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2018

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Schedule of Change in Fair Value of Foreign Currency Forward Exchange Contracts Under Hedge Designations

The change in fair value of our foreign currency forward exchange contracts under hedge designations recorded net of tax within accumulated other comprehensive income for the quarters ended March 31, 2018 and March 31, 2017 was as follows:

	Quarter Ended March 31,
(In millions)	2018			2017
Unrealized gains (losses) at beginning of period, net of tax	$	8.6		$	(25.9	)
(Gains) Losses reclassified to net sales		(1.6	)		5.0
Increase in fair value		6.4			2.6
Unrealized gain (losses) at end of period, net of tax	$	13.4		$	(18.3	)