Principles Of Preparation (Tables)

3 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

Allowance for Doubtful Accounts Receivable

Additions, deductions and balances for the allowance for doubtful accounts for the three months ended March 31, 2020 and March 31, 2019 are as follows (in thousands):

	Three Months Ended
	March 31,
	2020			2019
Balance at beginning of period	$	1,900		$	2,070
Additions:
Increase to provision	676			217
Recovery of previous write-offs	340			342
Uncollectible receivables written off	(1,138		)	(1,115		)
Balance at end of period	$	1,778		$	1,514

Cash Flow, Supplemental Disclosures

Supplemental Cash Flow Disclosures (in thousands)
		Three Months Ended
		March 31,
		2020			2019
Cash paid (refunded) for:
	Interest on long-term debt and borrowings under the revolving credit facility	$	12,240		$	11,592
	Income tax paid (refunded), net	180			(300		)
Non-cash investing and financing activities:
	Changes in accrued plant additions	(288		)	(218		)
	Grants of restricted shares of common stock	339			524
	Issuance of performance shares	732			2,143
Non-cash operating activities:
	Operating lease liabilities arising (reducing) from obtaining ROU assets	(88		)	6,217