Label	Element	Value
Deferred taxes balance sheet classification [Member]
Deferred Tax Assets, Net	us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 13,561,000
Deferred Tax Assets, Net	us-gaap_DeferredTaxAssetsLiabilitiesNet	77,693,000
Deferred Tax Assets, Gross, Noncurrent	us-gaap_DeferredTaxAssetsGrossNoncurrent	100,620,000
Deferred Tax Assets, Gross, Noncurrent	us-gaap_DeferredTaxAssetsGrossNoncurrent	39,983,000
Deferred Tax Liabilities, Gross, Noncurrent	us-gaap_DeferredTaxLiabilitiesGrossNoncurrent	22,927,000
Deferred Tax Liabilities, Gross, Noncurrent	us-gaap_DeferredTaxLiabilitiesGrossNoncurrent	$ 53,544,000

Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=116821951&loc=d3e31931-109318

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=116821951&loc=d3e31917-109318

+ Details

Name:	us-gaap_DeferredTaxAssetsGrossNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

+ Details

Name:	us-gaap_DeferredTaxAssetsLiabilitiesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Gross amount of noncurrent deferred tax liabilities, which result from applying the applicable tax rate to taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax.

+ References

+ Details

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

- Details

Name:	flir_DeferredTaxAssetLiabilityByBalanceSheetClassificationAxis=flir_DeferredtaxesbalancesheetclassificationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: