Supplemental Consolidated Cash and Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2021

Supplemental Cash Flow Elements [Abstract]

Reconciliation of net income to net cash provided by operating activities

Supplemental cash flow information related to operating leases was as follows:

($ in millions)	Years Ended December 31,
	2021		2020
Cash paid for amounts included in the measurement of lease liabilities	$	4.3	$	4.5

($ in millions)	Years Ended December 31,
	2021		2020		2019
Cash	$	133.0	$	21.8	$	25.2
Restricted cash	0.7		0.5		0.3
Total cash and restricted cash shown in the Consolidated Statements of Cash Flows	$	133.7	$	22.3	$	25.5
Cash paid during the year for:
Interest	$	13.5	$	15.5	$	14.1
Income taxes	23.7		17.3		22.9