CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parentheticals) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	[1]	$ 600	$ 600	$ 1,000	$ 600
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent	[2]	$ 1,300	$ 400	$ 4,000	$ 1,500

[1] The tax benefit included in other comprehensive income for foreign currency translation adjustments for the three and nine months ended September 30, 2020 was $0.6 million and $1.0 million, respectively. The tax benefit included in other comprehensive loss for foreign currency translation adjustments for both the three and nine months ended September 30, 2019 was $0.6 million.

[2] The tax expense included in other comprehensive income for pension and postretirement adjustments for the three and nine months ended September 30, 2020 was $1.3 million and $4.0 million, respectively. The tax expense included in other comprehensive income for pension and postretirement adjustments for the three and nine months ended September 30, 2019 was $0.4 million and $1.5 million, respectively.