Retirement Benefit Plans (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prepaid profit sharing	$ 11,529	$ 0
Non-cash, pension settlement charge	(7,804)	0
Defined contribution plan, total costs	3,900	3,600
Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan asset transfer to qualified replacement plan	(8,318)	0
Non-cash, pension settlement charge	(7,804)	$ 0
Pension Plan | Combined Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan asset transfer to qualified replacement plan	8,300
Prepaid profit sharing	5,200
Prepaid profit sharing and the long-term portion	$ 3,100