LEASES - Deferred lease (Details) $ in Millions	Sep. 30, 2023 USD ($)
Lessee, Lease, Description [Line Items]
Total deferred lease amounts, operating lease payment	$ 65.4
Total deferred lease amounts, finance lease payments	0.1
Three months ended December 31, 2023
Lessee, Lease, Description [Line Items]
Total deferred lease amounts, operating lease payment	15.6
Total deferred lease amounts, finance lease payments	0.1
2024
Lessee, Lease, Description [Line Items]
Total deferred lease amounts, operating lease payment	15.6
2025
Lessee, Lease, Description [Line Items]
Total deferred lease amounts, operating lease payment	5.7
2026
Lessee, Lease, Description [Line Items]
Total deferred lease amounts, operating lease payment	4.2
2027
Lessee, Lease, Description [Line Items]
Total deferred lease amounts, operating lease payment	3.4
2028
Lessee, Lease, Description [Line Items]
Total deferred lease amounts, operating lease payment	3.2
Thereafter
Lessee, Lease, Description [Line Items]
Total deferred lease amounts, operating lease payment	$ 17.7