Interim Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 126,480	$ 178,110
Trade accounts receivable, less allowances of $16,571 at March 31, 2019 and $15,469 at December 31, 2018	489,281	535,528
Inventories	282,087	268,821
Other current assets and prepaid expenses	71,536	63,401
Total current assets	969,384	1,045,860
Property, plant and equipment, net	722,926	717,526
Goodwill	535,517	534,780
Other intangible assets, net	213,977	217,308
Non-current deferred tax assets, net	34,495	35,066
Other non-current assets	160,398	68,307
Total assets	2,636,697	2,618,847
Current liabilities:
Trade accounts payable	174,639	196,641
Accrued and other liabilities	161,438	156,449
Accrued compensation and related items	112,414	152,516
Deferred revenue and customer prepayments	128,962	105,381
Taxes payable	76,713	73,777
Short-term borrowings and current maturities of long-term debt	53,798	49,670
Total current liabilities	707,964	734,434
Long-term debt	1,008,485	985,021
Non-current deferred tax liabilities	39,648	48,818
Other non-current liabilities	318,850	260,511
Total liabilities	2,074,947	2,028,784
Commitments and contingencies (Note 17)
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 24,803,286 and 24,921,963 shares at March 31, 2019 and December 31, 2018, respectively	448	448
Additional paid-in capital	769,950	764,717
Treasury stock at cost (19,982,725 shares at March 31, 2019 and 19,864,048 shares at December 31, 2018)	(3,972,597)	(3,814,604)
Retained earnings	4,053,703	3,941,916
Accumulated Other Comprehensive Income (Loss), Net of Tax	(289,754)	(302,414)
Total shareholders' equity	561,750	590,063
Total liabilities and shareholders' equity	$ 2,636,697	$ 2,618,847