Derivatives (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair value of asset and liability derivatives and the respective balance sheet locations

The following table presents the fair value of asset and liability derivatives and the respective balance sheet locations at December 31, 2017 ($ in millions):



	Asset Derivatives			Liability Derivatives
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Derivatives Designated as Hedges:
Foreign exchange contracts	Accounts receivable	$	4.7	Accrued expenses	$	0.2
Foreign exchange contracts	Other assets	—		Other liabilities	14.2
Interest rate contracts	Other assets	2.0		Other liabilities	—
Total derivatives designated as hedges		$	6.7		$	14.4

Derivatives not designated as hedges:
Foreign exchange contracts	Accounts receivable	$	0.1	Accounts payable	$	—
Total derivatives not designated as hedges		0.1			—
Total derivatives		$	6.8		$	14.4

The following table presents the fair value of asset and liability derivatives and the respective balance sheet locations at December 31, 2016 ($ in millions):



	Asset Derivatives			Liability Derivatives
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Derivatives Designated as Hedges:
Foreign exchange contracts	Accounts receivable	$	1.0	Accrued expenses	$	1.8
Foreign exchange contracts	Other assets	1.9		Other liabilities	—
Interest rate contracts	Other assets	—		Other liabilities	0.4
Total derivatives designated as hedges		$	2.9		$	2.2

Schedule of cash flow hedges included in accumulated other comprehensive income (loss)

The following table provides the gross effect that derivative instruments in cash flow hedging relationships had on accumulated other comprehensive income (loss), or AOCI, and results of operations ($ in millions):



Derivatives Designated as Cash Flow Hedging Relationships	Unrealized Gain (Loss) Recognized in AOCI on Derivatives, Net of Tax for the Year Ended December 31,								Loss Reclassified from AOCI, Net of Tax
	2017		2016			2015			2017			2016			2015
Foreign exchange contracts	$	1.6	$	13.3		$	(24.4	)	$	0.9		$	(5.9	)	$	(11.1	)
Interest rate contracts	0.4		(0.1		)	(0.5		)	(1.2		)	(0.6		)	(0.5		)
Total	$	2.0	$	13.2		$	(24.9	)	$	(0.3	)	$	(6.5	)	$	(11.6	)

Schedule of derivative instruments, gain (loss) in income statement

The following table provides the effect derivative instruments not designated as hedging instruments had on net income ($ in millions):



Derivatives Not Designated as Cash Flow Hedging Instruments	Amount of Gain / (Loss) Recognized in Other Income / Expense
	2017		2016		2015
Interest rate contracts	$	—	$	—	$	—
Foreign exchange contracts	2.7		1.0		(1.5		)
Total	$	2.7	$	1.0	$	(1.5	)