CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) Statements - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 28,894	$ 48,501
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	8,997	7,977
Lease amortization expense	8,517	9,154
Amortization of debt issuance costs	835	647
Inventory step-up from acquisition	0	5,367
Deferred taxes, net	12,409	4,005
Non-cash share-based compensation	1,861	3,435
Loss on disposal of long-lived assets	51	75
Unrealized net (gains) losses on hedging instruments	767	(478)
Change in assets and liabilities, net of effect from acquisitions:
Accounts receivable, net	(120,075)	(187,577)
Inventories	36,982	42,173
Other assets	19,349	(2,962)
Accounts payable and accrued expenses	(58,137)	(22,730)
Accrued employee compensation and benefits	(16,680)	(14,983)
Accrued warranty expense	155	966
Change in operating leases, net	(7,041)	(8,714)
Income taxes receivable/payable, net	(11,356)	(4,468)
Other liabilities	790	(992)
Net cash used in operating activities	(93,682)	(120,604)
Cash flows from investing activities:
Capital expenditures	(16,953)	(11,304)
Acquisition, net of cash acquired	0	(463,105)
Proceeds from sales of property and equipment	0	15
Net cash used in investing activities	(16,953)	(474,394)
Cash flows from financing activities:
Proceeds from credit facilities, net	191,013	174,182
Proceeds from issuance of long-term debt	9,766	480,000
Repayments of long-term debt	(3,143)	(1,760)
Debt issuance cost	0	(18,129)
Principal payments on finance leases	(109)	(114)
Acquisition of treasury stock	(21,938)	(27,377)
Dividends paid, net	(949)	(953)
Exercise of stock options	130	0
Net cash provided by financing activities	174,770	605,849
Effect of exchange rate changes on cash and cash equivalents	(4,166)	4,107
Net increase in cash and cash equivalents	59,969	14,958
Cash and cash equivalents at beginning of period	106,666
Cash and cash equivalents at end of period	166,635
Supplemental disclosures:
Cash paid for income taxes, net	3,983	3,259
Cash paid for interest and fees	7,165	5,042
Non-cash investing and financing activities:
Issuance of treasury stock and common stock for compensatory stock awards released from restriction	18,129	18,467
Accrued capital expenditures at period-end	$ 4,055	$ 1,178