Consolidated Statement of Cash Flows Statement - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows from Operating Activities:
Net income (loss)	$ 44,490	$ (103,450)
Adjustments to reconcile income to net cash provided by operating activities, net of acquisition impact:
Impairment of goodwill and indefinite-lived intangible assets	0	134,600
Loss on dispositions of assets	130	1,080
Depreciation	23,740	21,700
Amortization of intangible assets	16,150	15,460
Amortization of debt issue costs	740	860
Deferred income taxes	3,480	(17,790)
Non-cash compensation expense	7,320	5,610
Non-cash change in legacy liability estimate	0	23,400
Debt financing and related expenses	10,520	0
Increase in receivables	(23,260)	(6,210)
(Increase) decrease in inventories	(5,850)	4,510
(Increase) decrease in prepaid expenses and other assets	(3,830)	5,500
Increase (decrease) in accounts payable and accrued liabilities	450	(7,410)
Other operating activities	3,660	1,250
Net cash provided by operating activities, net of acquisition impact	77,740	79,110
Cash Flows from Investing Activities:
Capital expenditures	(29,850)	(17,670)
Acquisition of businesses, net of cash acquired	0	(95,160)
Net proceeds from disposition of business, property and equipment	160	1,930
Net cash used for investing activities	(29,690)	(110,900)
Cash Flows from Financing Activities:
Retirement of senior notes	(300,000)	0
Proceeds from issuance of senior notes	400,000	0
Proceeds from borrowings on revolving credit facilities	0	300,950
Repayments of borrowings on revolving credit facilities	(48,620)	(303,240)
Debt financing fees and senior notes redemption premium	(13,570)	0
Shares surrendered upon exercise and vesting of equity awards to cover taxes	(4,690)	(2,600)
Payments to purchase common stock	(18,160)	(36,050)
Net cash provided by (used for) financing activities	14,960	(40,940)
Increase (decrease) for the period	63,010	(72,730)
At beginning of period	73,950	172,470
At end of period	136,960	99,740
Supplemental disclosure of cash flow information:
Cash paid for interest	6,490	7,490
Cash paid for taxes	$ 8,250	$ 6,660