Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 123,794	$ 187,675
Marketable securities	0	284,255
Accounts receivable, net of reserves	248,855	234,597
Inventories	173,303	164,318
Other current assets	108,220	101,140
Total current assets	654,172	971,985
Long-Term Assets:
Property and equipment, net	437,270	379,096
Goodwill	214,489	199,873
Intangible assets, net	41,825	43,846
Other long-term assets	189,593	118,616
Total long-term assets	883,177	741,431
TOTAL ASSETS	1,537,349	1,713,416
Current Liabilities:
Accounts payable	69,534	66,968
Accrued liabilities	260,683	253,418
Line of credit	398,937	655,000
Current portion of deferred revenue	41,290	29,181
Total current liabilities	770,444	1,004,567
Long-Term Liabilities:
Deferred income tax liabilities	29,267	25,353
Long-term debt	601,348	606,075
Long-term deferred revenue, net of current portion	60,697	35,545
Other long-term liabilities	84,826	95,718
Total long-term liabilities	776,138	762,691
Total liabilities	1,546,582	1,767,258
Commitments and Contingencies (Note 15)
Stockholders’ Equity (Deficit):
Common stock, $0.10 par value: Authorized: 120,000 shares; Issued: 105,087 shares in 2018 and 104,275 shares in 2017; Outstanding: 86,100 shares in 2018 and 87,104 shares in 2017	10,509	10,428
Additional paid-in capital	1,138,216	1,073,931
Deferred stock units: Outstanding: 162 units in 2018 and 229 units in 2017	4,524	5,988
Retained earnings	1,167,928	803,545
Accumulated other comprehensive loss	(41,791)	(36,470)
Treasury stock, at cost: 18,988 shares in 2018 and 17,171 shares in 2017	(2,288,899)	(1,911,528)
Total IDEXX Laboratories, Inc. stockholders’ deficit	(9,513)	(54,106)
Noncontrolling interest	280	264
Total stockholders’ equity (deficit)	(9,233)	(53,842)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)	$ 1,537,349	$ 1,713,416