Accrued Liabilities

12 Months Ended

Dec. 31, 2017

Accrued Liabilities Current And Noncurrent [Abstract]

Accrued Liabilities

8. Accrued Liabilities

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

	December 31,
	2017		2016
Compensation and benefits	$	127.5	$	120.4
Medical insurance and workers’ compensation		23.9		28.8
Customer volume discounts and rebates		23.4		18.9
Franchise, property, sales and use taxes		16.0		16.7
Environmental liabilities and asset retirement obligations		4.0		6.4
Severance, retention, and relocation		3.1		3.0
Other		5.3		7.0
Total	$	203.2	$	201.2