Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Outstanding Swaps

The following table summarizes outstanding swaps that the Company has recorded at March 31, 2019. 

		Initial US$
Date	Derivative	Notional
Entered	Financial	Amount		Fixed Rate	Floating Leg	Fixed Rate	Floating Leg	Settlement	Effective
into	Instrument	(millions)		(swap counterparty)	(swap counterparty)	(Company)	(Company)	Dates	Period of Swap
12/10/2018	Cross currency    interest rate    swap	$	240.0	4.8255%	N/A	2.315%	N/A	Quarterly on the last    day of each    December,    March,    June, and    September	12/10/2018 - 9/29/2023
12/10/2018	Cross currency    interest rate    swap	$	192.0	4.8255%	N/A	2.235%	N/A	Quarterly on the last    day of each    December,    March,    June, and    September	12/10/2018 - 9/29/2023
12/10/2018	Cross currency    interest rate    swap	$	108.0	4.8255%	N/A	2.190%	N/A	Quarterly on the last    day of each    December,    March,    June, and    September	12/10/2018 - 9/29/2023
12/10/2018	Cross currency    interest rate    swap	$	60.0	4.8255%	N/A	2.290%	N/A	Quarterly on the last    day of each    December,    March,    June, and    September	12/10/2018 - 9/29/2023
12/4/2018	Interest rate swap	$	600.0	4.8255%	Variable rate 1- month USD LIBOR plus 2%	N/A	1 Month USD- LIBOR-BBA plus 2%	Monthly on the last    business day    of each month    commencing with    December 31,    2018 in    accordance with    Modified    Following    Business Day    Convention	12/4/2018 - 9/29/2023
1/31/2017	Interest rate swap	$	50.0	N/A	Variable rate 1- month USD LIBOR	1.625% USD	N/A	Monthly on the last    banking day of    each month    commencing    February 28, 2017	1/31/2017 - 1/31/2020

Summary of Fair Value Level 2 Inputs of Company's Derivatives

The following table summarizes the location and fair value, using Level 2 inputs (see Note 6 for a description of the fair value levels), of the Company's derivatives designated and not designated as hedging instruments in the unaudited condensed consolidated balance sheets (in millions).

	Balance Sheet Location	March 31, 2019			December 31, 2018
Designated as hedging instruments:
Cross currency swap agreements	Other long-term (assets)/liabilities	$	(7.4	)	$	8.4
Interest rate swap agreement	Other long-term (assets)		(0.3	)		(0.5	)
Interest rate swap agreement	Other long-term liabilities		12.4			7.9
		$	4.7		$	15.8