Income Taxes (Narrative) (Details) $ in Thousands, $ in Millions			12 Months Ended
	Dec. 03, 2024 USD ($)	Dec. 03, 2024 CAD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Feb. 01, 2025 USD ($)	Feb. 01, 2025 CAD ($)	Dec. 03, 2024 CAD ($)	Dec. 31, 2022 USD ($)
Income Tax Disclosure [Line Items]
Undistributed earnings of foreign subsidiaries			$ 297,600	$ 113,100				$ 93,100
Earnings retained by foreign subsidiaries			878,600	676,700
Capital loss carry-forwards			63,500	60,700
Gross unrecognized tax benefits			26,700	25,100				$ 16,000
Unrecognized tax benefits that would impact effective tax rate			18,700	13,600
Accrued interest and penalties			4,400	4,400
Interest and penalties			100	600
Income tax payable from notice of assessment	$ 55,100	$ 79.1
Accrued income taxes	26,300						$ 37.7
Interest and penalties accrued from income tax examination	$ 28,900						$ 41.4
Subsequent Event
Income Tax Disclosure [Line Items]
Deposit paid					$ 27,600	$ 39.5
Capital Loss Carryforward
Income Tax Disclosure [Line Items]
Capital loss carry-forwards			$ 67,100	$ 73,400