CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net loss for the period	$ (102,906)	$ 71,200
Adjustments to reconcile net (loss) income to net cash provided by operating activities
Depreciation	18,656	16,258
Amortization of intangibles	16,484	15,353
Net (gain) loss on sale of property, plant and equipment	(1,669)	(40)
Loss on debt extinguishment	219	104
Deferred income taxes	(753)	(2,451)
Stock-based compensation	2,278	7,362
Impairment	107,114	0
Non-cash interest expense	807	783
Accounts receivable	68,095	9,671
Inventories	(14,596)	(89,869)
Prepaid expenses and other	(3,086)	(2,368)
Accounts payable and accrued liabilities	20,128	57,750
Other, net	(3,672)	(7,535)
Net cash provided by operating activities	107,099	76,218
Cash flows from investing activities
Capital expenditures	(13,719)	(22,244)
Proceeds from the sale of property, plant, and equipment	2,726	785
Net cash used in investing activities	(10,993)	(21,459)
Cash flows from financing activities
Proceeds from exercise of stock options	44	361
Dividends paid	(13,015)	(13,443)
Borrowings under term loan credit facility, net of original issuance discount	148,500	0
Borrowings under revolving credit facilities	45,584	446
Payments under revolving credit facilities	(45,584)	(446)
Finance Lease, Principal Payments	(244)	(230)
Principal payments under term loan credit facility	(135,228)	(30,470)
Principal payments against senior notes	(10,000)	0
Debt issuance costs paid	(792)	(142)
Stock repurchases	(10,065)	(22,652)
Net cash used in financing activities	(20,800)	(66,576)
Cash and cash equivalents:
Net increase (decrease) in cash, cash equivalents, and restricted cash	75,306	(11,817)
Cash, cash equivalents and restricted cash at beginning of period	140,516	132,690
Cash, cash equivalents, and restricted cash at end of period	215,822	120,873
Supplemental disclosures of cash flow information:
Cash paid for interest	13,061	15,639
(Refunds received) cash paid for income taxes	$ (4,695)	$ 18,965