ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Other Operating Income

Included in other operating income were the following:

	Years Ended December 31,
	2014		2013			2012
	($ in millions)
Gains (losses) on disposition of property, plant and equipment, net	$	0.2	$	(1.1	)	$	2.1
Amortization of 2007 gain on intangible asset sale (recognized through 2012)	—		—			0.3
Gains on dispositions of former manufacturing facilities	—		1.5			—
Gains on insurance recoveries	—		—			4.9
Gain on resolution of a contract matter	1.0		—			—
Other	0.3		0.3			0.3
Other operating income	$	1.5	$	0.7		$	7.6

Asset retirement obligation activity

The activity of our asset retirement obligation was as follows:

	December 31,
	2014			2013
	($ in millions)
Beginning balance	$	60.8		$	67.8
Accretion	3.5			3.3
Spending	(11.2		)	(11.3		)
Currency translation adjustments	(0.7		)	(0.6		)
Adjustments	2.0			1.6
Ending balance	$	54.4		$	60.8

Other Assets

Included in other assets were the following:

	December 31,
	2014		2013
	($ in millions)
Investments in non-consolidated affiliates	$	23.3	$	21.6
Intangible assets (less accumulated amortization of $42.6 million and $28.0 million, respectively)	123.5		138.1
Deferred debt issuance costs	10.3		14.4
Bleach joint venture receivable	7.8		15.6
Income tax receivable	6.6		—
Interest rate swaps	3.5		5.9
Other	16.4		17.5
Other assets	$	191.4	$	213.1

Schedule of Intangible Assets by Major Class

Intangible assets consisted of the following:

		December 31,
		2014							2013
	Useful Lives	Gross Amount		Accumulated Amortization			Net		Gross Amount		Accumulated Amortization			Net
		($ in millions)
Customers, customer contracts and relationships	(10-15 years)	$	152.9	$	(41.0	)	$	111.9	$	152.9	$	(26.6	)	$	126.3
KA Steel trade name	(indefinite)	10.9		—			10.9		10.9		—			10.9
Other	(4-10 years)	2.3		(1.6		)	0.7		2.3		(1.4		)	0.9
Total intangible assets		$	166.1	$	(42.6	)	$	123.5	$	166.1	$	(28.0	)	$	138.1

Schedule of assumptions for the Black-Scholes option pricing model

The fair value of each option granted, which typically vests ratably over three years, but not less than one year, was estimated on the date of grant, using the Black-Scholes option-pricing model with the following assumptions:

	2014			2013			2012
Dividend yield	3.13		%	3.44		%	3.65		%
Risk-free interest rate	2.13		%	1.35		%	1.36		%
Expected volatility	42		%	43		%	43		%
Expected life (years)	7.0			7.0			7.0
Weighted average grant fair value (per option)	$	8.34		$	7.05		$	6.55
Weighted average exercise price	$	25.69		$	23.28		$	21.92
Shares granted	624,200			621,000			480,250