Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Stockholders' Equity Note [Abstract]

Schedule of Stock by Class

The Company has three classes of common stock as follows (share data in millions):

		Issued Common Stock
	Authorized Shares	Outstanding	Treasury	Total Issued Shares
Class A stock ($0.025 par value)	105.0
December 31, 2019		39.2	1.1	40.3
December 31, 2018		38.1	2.2	40.3
December 31, 2017		38.2	1.8	40.0
Class B stock ($0.025 par value)	80.0
December 31, 2019		13.5	—	13.5
December 31, 2018		13.5	—	13.5
December 31, 2017		13.8	—	13.8
Class C stock ($0.025 par value)	20.0
December 31, 2019		—	0.5	0.5
December 31, 2018		—	0.5	0.5
December 31, 2017		—	0.5	0.5

Schedule of Dividend Activity

The following table details the dividend activity related to the then outstanding shares of common stock for the years ended December 31, 2019, 2018 and 2017:

	Declaration Date	Record Date	Payment Date	Dividend Amount per Share
2019
Q4 Dividend	October 29, 2019	November 18, 2019	December 6, 2019	$	0.15
Q3 Dividend	July 30, 2019	August 19, 2019	September 6, 2019	0.30
Q2 Dividend	April 30, 2019	May 20, 2019	June 7, 2019	0.30
Q1 Dividend	February 19, 2019	February 25, 2019	March 8, 2019	0.30
2018
Q4 Dividend	October 30, 2018	November 19, 2018	December 7, 2018	$	0.30
Q3 Dividend	July 31, 2018	August 20, 2018	September 7, 2018	0.30
Q2 Dividend	May 1, 2018	May 21, 2018	June 8, 2018	0.30
Q1 Dividend	February 21, 2018	March 19, 2018	March 30, 2018	0.30
2017
Q4 Dividend	October 31, 2017	November 20, 2017	December 1, 2017	$	0.30
Q3 Dividend	August 1, 2017	August 21, 2017	September 1, 2017	0.30
Q2 Dividend	May 1, 2017	May 22, 2017	June 2, 2017	0.30
Q1 Dividend	February 17, 2017	February 27, 2017	March 10, 2017	0.30