Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 174,559	$ 187,675
Marketable securities	0	284,255
Accounts receivable, net of reserves of $4,689 in 2018 and $4,576 in 2017	265,012	234,597
Inventories	176,487	164,318
Other current assets	123,774	101,140
Total current assets	739,832	971,985
Long-Term Assets:
Property and equipment, net	394,021	379,096
Goodwill	195,974	199,873
Intangible assets, net	39,036	43,846
Other long-term assets	151,822	118,616
Total long-term assets	780,853	741,431
TOTAL ASSETS	1,520,685	1,713,416
Current Liabilities:
Accounts payable	68,015	66,968
Accrued liabilities	228,380	253,418
Line of credit	437,000	655,000
Current portion of deferred revenue	40,921	29,181
Total current liabilities	774,316	1,004,567
Long-Term Liabilities:
Deferred income tax liabilities	35,459	25,353
Long-term debt	603,130	606,075
Long-term deferred revenue, net of current portion	65,362	35,545
Other long-term liabilities	83,267	95,718
Total long-term liabilities	787,218	762,691
Total liabilities	1,561,534	1,767,258
Commitments and Contingencies (Note 14)
Stockholders’ Deficit:
Common stock, $0.10 par value: Authorized: 120,000 shares; Issued: 104,847 shares in 2018 and 104,275 shares in 2017; Outstanding: 86,642 shares in 2018 and 87,104 shares in 2017	10,485	10,428
Additional paid-in capital	1,109,157	1,073,931
Deferred stock units: Outstanding: 162 units in 2018 and 229 units in 2017	4,398	5,988
Retained earnings	989,039	803,545
Accumulated other comprehensive income (loss)	(42,559)	(36,470)
Treasury stock, at cost: 18,195 shares in 2018 and 17,171 shares in 2017	(2,111,647)	(1,911,528)
Total IDEXX Laboratories, Inc. stockholders’ deficit	(41,127)	(54,106)
Noncontrolling interest	278	264
Total stockholders’ deficit	(40,849)	(53,842)
TOTAL LIABILITIES AND STOCKHOLDERS’ DEFICIT	$ 1,520,685	$ 1,713,416

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.