Interim Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 142,252	$ 94,254
Trade accounts receivable, less allowances	600,191	593,809
Inventories	350,159	297,611
Other current assets and prepaid expenses	80,009	71,230
Total current assets	1,172,611	1,056,904
Property, plant and equipment, net	790,512	798,868
Goodwill	642,186	550,270
Other intangible assets, net	293,719	196,785
Deferred tax assets, net	41,240	41,836
Other non-current assets	202,636	169,886
Total assets	3,142,904	2,814,549
Current liabilities:
Trade accounts payable	210,811	175,801
Accrued and other liabilities	195,816	196,834
Accrued compensation and related items	166,975	179,252
Deferred Revenue	192,199	149,106
Taxes payable	119,543	89,017
Short-term borrowings and current maturities of long-term debt	53,025	50,317
Total current liabilities	938,369	840,327
Long-term debt	1,602,005	1,284,174
Deferred tax liabilities, net	35,587	34,448
Other non-current liabilities	375,519	372,925
Total liabilities	2,951,480	2,531,874
Commitments and contingencies (Note 15)
Shareholders' equity:
Preferred stock, $0.01 par value per share; authorized 10,000,000 shares	0	0
Common stock, $0.01 par value per share; authorized 125,000,000 shares; issued 44,786,011 and 44,786,011 shares; outstanding 23,794,563 and 24,125,317 shares at September 30, 2020 and December 31, 2019, respectively	448	448
Additional paid-in capital	815,535	805,140
Treasury stock at cost (20,991,448 shares at September 30, 2020 and 20,660,694 shares at December 31, 2019)	(5,751,052)	(5,283,584)
Retained earnings	5,429,085	5,095,596
Accumulated Other Comprehensive Income (Loss), Net of Tax	(302,592)	(334,925)
Total shareholders' equity	191,424	282,675
Total liabilities and shareholders' equity	$ 3,142,904	$ 2,814,549