Note 7 - Leases (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2019 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
| Variable Lease, Cost | $ 0.9 | $ 1.9 | |||
| Fixed Lease, Cost | $ 3.1 | $ 6.3 | |||
| Operating Lease, Expense | $ 12.9 | $ 10.8 | $ 9.8 | ||
| Maximum [Member] | |||||
| Lessee, Operating Lease, Renewal Term | 5 years | 5 years | |||
| X | ||||||||||
- Definition Represents the amount of fixed lease cost. No definition available.
|
| X | ||||||||||
- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|