CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities
Net income	$ 33,098	$ 48,446
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	10,980	8,881
Debt discount and deferred financing cost amortization	42	42
Stock-based compensation	1,973	1,676
Provision for bad debts	625
Inventory obsolescence	1,353	224
Loss on disposal of assets	961	863
Deferred income taxes	4,848	(2,796)
Changes in operating assets and liabilities:
Accounts receivable	(8,244)	(15,597)
Inventories	8,306	(8,875)
Prepaid expenses and other assets	1,497	2,156
Accounts payable	(8,142)	192
Accrued expenses and other liabilities	(2,136)	(973)
Net cash provided by operating activities	45,161	34,239
Cash flows from investing activities
Capital expenditures and other	(9,441)	(14,655)
Proceeds from sale of assets	1,103	808
Net cash used in investing activities	(8,338)	(13,847)
Cash flows from financing activities
Payments on finance leases	(1,764)	(1,846)
Dividends paid to Class A common stock shareholders	(4,281)
Distributions to members	(2,203)	(235)
Repurchase of shares	(1,356)	(1,474)
Net cash used in financing activities	(9,604)	(3,555)
Effect of exchange rate changes on cash and cash equivalents	380	438
Net increase in cash and cash equivalents	27,599	17,275
Cash and cash equivalents
Beginning of period	202,603	70,841
End of period	230,202	88,116
Supplemental Disclosures of Cash Flow Information
Property and equipment acquired under finance leases	1,896	216
Property and equipment in payables	$ 3,767	$ 3,643