Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 286,203	$ 279,058
Accounts receivable, net of reserves of $3,784 in 2014 and $3,533 in 2013	179,919	158,038
Inventories	141,134	133,427
Deferred income tax assets	32,005	33,226
Other current assets	43,905	48,957
Total current assets	683,166	652,706
Long-Term Assets:
Property and equipment, net	282,226	281,214
Goodwill	180,466	180,521
Intangible assets, net	57,281	58,844
Other long-term assets, net	59,185	57,231
Total long-term assets	579,158	577,810
TOTAL ASSETS	1,262,324	1,230,516
Current Liabilities:
Accounts payable	42,794	29,941
Accrued liabilities	134,519	148,919
Line of credit	315,000	277,000
Current portion of long-term debt	1,050	1,035
Current portion of deferred revenue	23,810	21,458
Total current liabilities	517,173	478,353
Long-Term Liabilities:
Deferred income tax liabilities	31,785	33,948
Long-term debt, net of current portion	150,090	150,359
Long-term deferred revenue, net of current portion	19,264	18,427
Other long-term liabilities	31,760	31,215
Total long-term liabilities	232,899	233,949
Total liabilities	750,072	712,302
Commitments and Contingencies (Note 12)
Stockholders' Equity:
Common stock, $0.10 par value per share: Authorized: 120,000 shares; Issued: 101,554 and 101,188 shares in 2014 and 2013, respectively	10,155	10,119
Additional paid-in capital	847,138	825,320
Deferred stock units: Outstanding: 122 units in 2014 and 2013	5,104	5,110
Retained earnings	1,539,978	1,493,393
Accumulated other comprehensive income	14,445	13,622
Treasury stock, at cost: 50,264 and 49,649 shares in 2014 and 2013, respectively	(1,904,604)	(1,829,378)
Total IDEXX Laboratories, Inc. stockholders' equity	512,216	518,186
Noncontrolling interest	36	28
Total stockholders' equity	512,252	518,214
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,262,324	$ 1,230,516