Accumulated Other Comprehensive (Income) Loss (Tables)

3 Months Ended

Mar. 31, 2020

Statement of Financial Position [Abstract]

Accumulated Other Comprehensive Income [Table Text Block]

Balances by classification included within accumulated other comprehensive loss (AOCL) on the Condensed Consolidated Balance Sheets are as follows, net of tax (in thousands):

	March 31, 2020			December 31, 2019
Foreign currency translation	$	1,514		$	1,413
Derivative instruments designated as cash flow hedges	(11,068		)	(11,181		)
Postretirement medical plans	120			120
Accumulated other comprehensive loss	$	(9,434	)	$	(9,648	)

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following tables display the changes in AOCL by component, net of tax (in thousands):

		Three Months Ended
		March 31, 2020
	Affected Line Item in the Condensed Consolidated Statements of Income	Interest Rate Derivative Instruments Designated as Cash Flow Hedges			Pension and Postretirement Medical Plans		Foreign Currency Translation		Total
Beginning balance		$	(11,181	)	$	120	$	1,413	$	(9,648	)
Other comprehensive income before reclassifications		—			—		101		101
Amounts reclassified from AOCL	Interest Expense	113			—		—		113
Net current-period other comprehensive income		113			—		101		214
Ending balance		$	(11,068	)	$	120	$	1,514	$	(9,434	)

		Three Months Ended
		March 31, 2019
	Affected Line Item in the Condensed Consolidated Statements of Income	Interest Rate Derivative Instruments Designated as Cash Flow Hedges			Pension and Postretirement Medical Plans		Foreign Currency Translation		Total
Beginning balance		$	(11,633	)	$	251	$	1,448	$	(9,934	)
Other comprehensive income before reclassifications		—			—		63		63
Amounts reclassified from AOCL	Interest Expense	112			—		—		112
Net current-period other comprehensive income		112			—		63		175
Ending balance		$	(11,521	)	$	251	$	1,511	$	(9,759	)