Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Accounts Receivable, allowances	$ 62,704	$ 46,946
Lease Merchandise, accumulated depreciation	816,928	760,722
Loans Receivable, allowances	$ 19,941	$ 19,829
Common Stock, Par Value (in dollars per share)	$ 0.50	$ 0.50
Common Stock, Authorized (in shares)	225,000,000	225,000,000
Common Stock, Issued (in shares)	90,752,123	90,752,123
Treasury Shares (in shares)	23,567,979	20,733,010