XML 66 R54.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Repurchases Of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Repurchases Of Common Stock [Abstract] |  |  |  |
Shares repurchased in the open market | 312 | 142 | 1,398 | 1,119
Shares acquired through employee surrender for statutory tax withholding | 2 | 2 | 55 | 56
Total shares repurchased | 314 | 144 | 1,453 | 1,175
Cost of shares repurchased in the open market | $ 50,413 | $ 15,260 | $ 215,320 | $ 88,235
Cost of shares for employee surrenders | 370 | 218 | 7,829 | 3,950
Total cost of shares | $ 50,783 | $ 15,478 | $ 223,149 | $ 92,185
Average cost per share - open market repurchase | $ 161.57 | $ 107.38 | $ 153.99 | $ 78.84
Average cost per share - employee surrenders | 155.14 | 112.91 | 142.15 | 70.33
Average cost per share - total | $ 161.52 | $ 107.46 | $ 153.54 | $ 78.43

X
- Definition Treasury Stock Acquired Average Cost Per Share, Employee Surrenders + References No definition available. + Details
Name: | idxx_TreasuryStockAcquiredAverageCostPerShareEmployeeSurrenders
Namespace Prefix: | idxx_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Treasury Stock Acquired Average Cost Per Share, Open Market Repurchase + References No definition available. + Details
Name: | idxx_TreasuryStockAcquiredAverageCostPerShareOpenMarketRepurchase
Namespace Prefix: | idxx_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Open market common stock repurchases. + References No definition available. + Details
Name: | idxx_TreasuryStockSharesAcquiredNetOfTaxWithholdings
Namespace Prefix: | idxx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cost of open market common stock repurchases. + References No definition available. + Details
Name: | idxx_TreasuryStockValueAcquiredCostMethodNetOfTaxWithholdings
Namespace Prefix: | idxx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References No definition available. + Details
Name: | us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
Name: | us-gaap_TreasuryStockSharesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration