Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 43,736	$ 46,946
Lease Merchandise, Accumulated depreciation	735,214	760,722
Loans Receivable, allowances	18,657	19,829
Property, Plant and Equipment at Cost, accumulated depreciation and amortization	251,658	242,623
Other Intangibles, accumulated amortization	$ 107,772	$ 100,557
Common Stock, Par Value (in dollars per share)	$ 0.50	$ 0.50
Common Stock, Shares Authorized (in shares)	225,000,000	225,000,000
Common Stock, Shares Issued (in shares)	90,752,123	90,752,123
Treasury Shares (in shares)	20,578,574	20,733,010