Consolidated Balance Sheets (USD $)	Dec. 31, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 223,986,000	$ 183,895,000
Accounts receivable, net of reserves of $2,632 in 2012 and $3,239 in 2011	138,324,000	141,275,000
Inventories	140,946,000	133,099,000
Deferred income tax assets	27,714,000	25,637,000
Other current assets	38,567,000	40,321,000
Total current assets	569,537,000	524,227,000
Long-Term Assets:
Property and equipment, net	245,177,000	216,777,000
Goodwill	174,994,000	172,610,000
Intangible assets, net	62,833,000	69,209,000
Other long-term assets, net	51,061,000	47,991,000
Total long-term assets	534,065,000	506,587,000
TOTAL ASSETS	1,103,602,000	1,030,814,000
Current Liabilities:
Accounts payable	35,288,000	36,551,000
Accrued liabilities	137,746,000	141,383,000
Line of credit	212,000,000	243,000,000
Current portion of long-term debt	1,107,000	917,000
Current portion of deferred revenue	20,192,000	15,028,000
Total current liabilities	406,333,000	436,879,000
Long-Term Liabilities:
Deferred income tax liabilities	23,028,000	23,288,000
Long-term debt, net of current portion	1,394,000	2,501,000
Long-term deferred revenue, net of current portion	12,692,000	10,823,000
Other long-term liabilities	23,898,000	17,730,000
Total long-term liabilities	61,012,000	54,342,000
Total liabilities	467,345,000	491,221,000
Commitments and Contingencies (Note 14)
Stockholders' Equity:
Common stock, $0.10 par value per share: Authorized: 120,000 shares; Issued: 100,160 and 99,229 shares in 2012 and 2011, respectively	10,016,000	9,923,000
Additional paid-in capital	757,214,000	702,575,000
Deferred stock units: Outstanding: 119 units in 2012 and 2011	4,630,000	4,688,000
Retained earnings	1,305,593,000	1,127,326,000
Accumulated other comprehensive income	15,954,000	15,443,000
Treasury stock, at cost: 45,652 and 44,128 shares in 2012 and 2011, respectively	(1,457,184,000)	(1,320,376,000)
Total IDEXX Laboratories, Inc. stockholders' equity	636,223,000	539,579,000
Noncontrolling interest	34,000	14,000
Total stockholders' equity	636,257,000	539,593,000
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,103,602,000	$ 1,030,814,000