INCOME TAXES (Tables)

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Unrecognized Tax Benefits

he amount of unrecognized tax benefits was as follows:

	September 30,
	2018			2017
	($ in millions)
Balance at beginning of year	$	36.3		$	38.4
Increases for prior year tax positions	—			4.9
Decreases for prior year tax positions	(4.6		)	(9.2		)
Increases for current year tax positions	1.6			2.0
Settlement with taxing authorities	—			(1.0		)
Reductions due to statute of limitations	—			(0.1		)
Balance at end of period	$	33.3		$	35.0

Tax Returns Subject to Examination

For our primary tax jurisdictions, the tax years that remain subject to examination are as follows:

	Tax Years
U.S. federal income tax	2013 - 2017
U.S. state income tax	2006 - 2017
Canadian federal income tax	2012 - 2017
Brazil	2014 - 2017
Germany	2015 - 2017
China	2014 - 2017
The Netherlands	2014 - 2017