Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Accrued Liabilities, Current [Abstract]

Components of Accrued Liabilities

The components of accrued liabilities were as follows (dollars in millions):

	December 31,
	2016		2015
Compensation and benefits	$	120.4	$	106.4
Medical insurance and workers’ compensation	28.8		31.1
Customer volume discounts and rebates	18.9		15.3
Franchise, property, sales and use taxes	16.7		16.0
Environmental liabilities and asset retirement obligations	6.4		7.9
Severance, retention, and relocation	3.0		7.3
Other	7.0		9.5
Total	$	201.2	$	193.5