CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Cash from operating activities
Net income		$ 16,428	$ 21,401
Non-cash and non-operating items		32,828	24,998
- Amortization and provisions		27,044	19,644
- Net gain (loss) on disposal of non-current assets		2,266	0
- Equity awards compensation expense	[1]	8,502	13,882
- Change in deferred taxes		(2,678)	(5,916)
- Income tax for the period		(2,329)	(1,934)
- Other		23	(678)
Changes in working capital related to operating activities		7,487	20,821
- Decrease in trade receivables		99,388	86,018
- (Decrease) in trade payables		(81,679)	(58,485)
- (Increase) in other current assets		(10,398)	(5,992)
- Increase/(Decrease) in other current liabilities		(945)	2,436
- Change in operating lease liabilities and right of use assets		1,121	(3,156)
Cash from operating activities		56,743	67,220
Cash used for investing activities
Acquisition of intangible assets, property, plant and equipment		(11,258)	(13,292)
Change in accounts payable related to intangible assets, property, plant and equipment		(479)	(10,392)
(Payment for) Disposal of a business, net of cash acquired (disposed)		0	(5,325)
Change in other non-current financial assets		889	(32)
Cash used for investing activities		(10,848)	(29,041)
Cash used for financing activities
Repayment of borrowings		(170)	(172)
Proceeds from capital increase		4	11
Change in treasury stocks		(18,241)	0
Change in other financial liabilities		(354)	(30)
Cash used for financing activities		(18,761)	(191)
Effect of exchange rates changes on cash and cash equivalents		(9,391)	(6,643)
Net increase in cash and cash equivalents		17,743	31,345
Net cash and cash equivalents at beginning of period		418,763	364,426
Net cash and cash equivalents at end of period		436,506	395,771
Supplemental disclosures of cash flow information
Cash paid for taxes, net of refunds		(12,047)	(17,868)
Cash paid for interest, net of amounts capitalized		$ (349)	$ (407)

[1] Of which $13.5 million and $8.1 million of equity awards compensation expense consisted of share-based compensation expense according to ASC 718 Compensation - stock compensation for the quarter ended March 31, 2019 and 2020, respectively.