DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING (FY) (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2018

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Notional Amounts and Fair Value

The following table summarizes the gross notional amounts and fair values of the designated and non-designated hedges discussed in the above sections as of September 30, 2018.



In millions	Designated			Non-Designated		Total
Gross notional amount	$	787.0		$	796.0	$	1,583.0

Fair Value:
Other current assets	$	—		$	4.7	$	4.7
Other current liabilities		(6.0	)		—		(6.0	)
Total	$	(6.0	)	$	4.7	$	(1.3	)

The following table summarizes the gross notional amounts and fair values of the designated and non-designated hedges discussed in the above sections as of December 31, 2017.



In millions	Designated		Non-Designated		Total
Gross notional amount	$	805.1	$	379.7	$	1,184.8

Fair Value:
Other current assets	$	3.5	$	2.1	$	5.6
Other current liabilities		—		—		—
Total	$	3.5	$	2.1	$	5.6

The following table summarizes the gross notional amounts and fair values of the designated and non-designated hedged discussed in the above sections:

In millions	Designated		Non-Designated		Total
Gross notional amount	$	805.1	$	379.7	$	1,184.8

Fair Value:
Other current assets		3.5		2.1		5.6
Other current liabilities		—		—		—
Total	$	3.5	$	2.1	$	5.6