Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative instruments

The notional amount of the Company's foreign currency derivatives are summarized as follows (in millions):

	As of
	March 31, 2019		December 31, 2018
Cash flow hedges	$	377.0	$	497.7
Non-designated derivatives	175.6		158.7
Total	$	552.6	$	656.4