Accounts Payable and Accrued Expenses

9 Months Ended

Sep. 30, 2018

Payables And Accruals [Abstract]

Accounts Payable and Accrued Expenses

6.  Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses at September 30, 2018 and December 31, 2017 are summarized as follows:

($ in millions)	September 30, 2018		December 31, 2017
Trade accounts payable	$	239.1	$	204.9
Employee-related expenses		49.9		59.7
Accrued vacation		23.2		23.8
Miscellaneous accrued expenses		79.1		87.4
Total	$	391.3	$	375.8