Other Costs (Tables)

12 Months Ended

Dec. 31, 2012

Other Costs [Abstract]

Schedule of Other Costs

Other costs consisted of the following:

	Year Ended December 31,
(dollars in millions)	2012			2011		2010
Impairment of intangibles	$	17.6		$	–	$	–
International pension settlement costs		6.6			–		–
Indemnity settlement with BP Exploration and Production Inc. (see Note 19)		–			82.5		–
BOP litigation costs		2.5			60.7		12.5
Acquisition integration costs		13.2			–		22.0
Costs associated with retiring the 2.5% convertible debentures		–			14.5		–
Mark-to-market impact on currency derivatives not designated as accounting hedges		(15.7	)		9.3		–
Joint venture formation costs		2.7			–		–
Severance, restructuring and other costs		6.6			10.4		12.7
Total other costs	$	33.5		$	177.4	$	47.2