CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
CONSOLIDATED BALANCE SHEETS
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 15,112	$ 12,674
Accumulated depreciation	$ 884,856	$ 865,634
Common shares, authorized	240,000,000	240,000,000
Common shares, issued	98,581,434	98,581,434
Common shares, outstanding	55,826,284	56,211,219
Treasury shares	42,755,150	42,370,215