Acquisitions - Narrative (Details) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
|
Mar. 31, 2019
USD ($)
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2019
USD ($)
franchise
|
Jun. 30, 2018
USD ($)
franchise
|
Dec. 31, 2018
USD ($)
store
|
|
| Business Acquisition [Line Items] | ||||||
| Additional number of businesses acquired | franchise | 5 | 5 | ||||
| Payments to acquire businesses and asset acquisitions | $ (7,612) | $ (14,401) | ||||
| Franchisee Acquisitions | ||||||
| Business Acquisition [Line Items] | ||||||
| Number of branded stores | store | 152 | |||||
| Purchase price | $ 189,826 | 190,167 | $ 189,800 | |||
| Revenue of acquiree since acquisition date | $ 45,900 | $ 4,000 | 94,800 | 5,200 | ||
| Earnings or loss of acquiree since acquisition date | $ (1,100) | $ 600 | 1,500 | 800 | ||
| Acquisition-related costs | $ 1,600 | |||||
| All Acquisitions Excluding SEI Acquisition | ||||||
| Business Acquisition [Line Items] | ||||||
| Payments to acquire businesses and asset acquisitions | $ (7,600) | $ (14,400) | ||||