CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income	$ 35,594	$ 41,939
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	17,990	18,350
Non-cash lease expense	5,283	5,199
Share-based compensation	7,015	5,524
Deferred income taxes	(125)	501
Loss on disposals of plant and equipment	448	594
Foreign exchange income	(56)	(84)
Changes in assets and liabilities, net of acquisitions:
Receivables	(17,820)	(46,371)
Inventory	(7,520)	(35,318)
Accounts payable and accrued expenses	8,561	18,637
Operating leases	(5,283)	(5,195)
Income taxes	3,825	535
Employee benefit plans	99	(50)
Other, net	(1,010)	(116)
Net cash flows from operating activities	47,001	4,145
Cash flows from investing activities:
Additions to property, plant, and equipment	(9,445)	(10,444)
Proceeds from sale of property, plant, and equipment	25	866
Cash paid for acquisitions, net of cash acquired	(5,826)	(6,728)
Other, net	3	8
Net cash flows from investing activities	(15,243)	(16,298)
Cash flows from financing activities:
Proceeds from issuance of debt	98,234	129,985
Repayment of debt	(116,142)	(113,171)
Proceeds from issuance of common stock	1,520	1,495
Purchases of common stock	(17,724)	(9,543)
Dividends paid	(14,446)	(13,510)
Purchase of redeemable noncontrolling shares	0	(485)
Net cash flows from financing activities	(48,558)	(5,229)
Effect of exchange rate changes on cash	(4,522)	(800)
Net change in cash and equivalents	(21,322)	(18,182)
Cash and equivalents at beginning of period	64,405	59,173
Cash and equivalents at end of period	43,083	40,991
Cash paid for income taxes, net of refunds	6,227	8,578
Cash paid for interest	2,483	4,731
Non-cash items:
Additions to property, plant, and equipment, not yet paid	204	307
Right-of-Use Assets obtained in exchange for new operating lease liabilities	4,915	1,772
Accrued dividends payable to noncontrolling interests	$ 830	$ 642