Goodwill and Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2020	Jun. 30, 2020
Goodwill [Line Items]
Impairment of long-lived assets	$ 1.1
Goodwill [Roll Forward]
Balance at September 30, 2019		$ 298.6
Impairment charge		(41.3)
Balance at June 30, 2020		257.3
Cumulative goodwill impairment charges	41.3	41.3
U.S. Pawn
Goodwill [Roll Forward]
Balance at September 30, 2019		251.9
Impairment charge		(10.0)
Balance at June 30, 2020		241.9
Cumulative goodwill impairment charges		10.0
Latin America Pawn
Goodwill [Roll Forward]
Balance at September 30, 2019		46.7
Impairment charge		(31.3)
Balance at June 30, 2020		15.4
Cumulative goodwill impairment charges		$ 31.3
Mexico Reporting Unit | Trade Names
Goodwill [Line Items]
Impairment of intangible assets	2.9
GPMX Reporting Unit | Trade Names
Goodwill [Line Items]
Impairment of intangible assets	$ 1.7