CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities
Net income	$ 8,975	$ 36,039
Adjustments to reconcile net income to cash used in operating activities
Depreciation and amortization	10,269	9,797
Unrealized foreign exchange gains	(200)	(61)
Amortization of debt issuance costs	213	369
Share-based compensation	2,187	1,785
Gain on disposals of property, plant and equipment	(2)	0
Deferred income taxes	(1,194)	5,889
Changes in operating assets and liabilities
Accounts receivable	(102,181)	(146,894)
Inventories	19,092	17,373
Accounts payable	(2,652)	4,491
Accrued taxes	(2,125)	(7,941)
Other assets and liabilities	(4,894)	(10,912)
Cash flows used in operating activities	(72,512)	(90,065)
Cash flows from investing activities
Additions to property, plant and equipment	(5,741)	(5,462)
Cash flows used in investing activities	(5,741)	(5,462)
Cash flows from financing activities
Proceeds from short-term borrowings, net	125,133	140,778
Repayments of term loan facility	(4,375)	(7,031)
Repayments of delayed draw term loan A facility	0	(1,875)
Purchases of common stock	(6,976)	0
Debt issuance costs	(14)	0
Dividends paid on common stock	(11,521)	(11,872)
Payment of employee restricted stock tax withholdings	(380)	(10,924)
Cash flows provided by financing activities	101,867	109,076
Effect of foreign exchange rate changes on cash and restricted cash	(1,874)	314
Net increase in cash and restricted cash	21,740	13,863
Cash and restricted cash, beginning of year	34,184	31,014
Cash and restricted cash, end of period	55,924	44,877
Supplemental information
Non-cash additions to property, plant and equipment	1,161	222
Non-cash additions to right-of-use assets obtained in exchange for operating lease obligations	2,020	1,635
Non-cash additions to right-of-use assets obtained in exchange for finance lease obligations	357	0
Dividend equivalents rights (DERs) declared not paid	231	198
Share repurchase liability (Note 9)	$ 6,976	$ 0