Operating Loss Carryforward Expiration Date

No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

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- Definition

The current portion of the amount recognized for uncertain tax positions as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Income taxes paid	$ 118,290us-gaap_IncomeTaxesPaid	$ 110,191us-gaap_IncomeTaxesPaid	$ 80,622us-gaap_IncomeTaxesPaid
Range of expiration dates for portions of net operating loss carryforwards	2015 through 2034
Accrued interest and penalties related to uncertain tax positions	66	121
Total amount of unrecognized tax benefits that would affect effective tax rate	113us-gaap_UnrecognizedTaxBenefits	391us-gaap_UnrecognizedTaxBenefits	294us-gaap_UnrecognizedTaxBenefits	806us-gaap_UnrecognizedTaxBenefits
Beginning of Range [Member] \| OREGON [Member]
Operating Loss Carryforwards [Line Items]
Fiscal years open for audit	2009
End of Range [Member] \| OREGON [Member]
Operating Loss Carryforwards [Line Items]
Fiscal years open for audit	2012
Federal Income Tax [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	212
Federal Income Tax [Member] \| Beginning of Range [Member]
Operating Loss Carryforwards [Line Items]
Fiscal years open for audit	2011
Federal Income Tax [Member] \| End of Range [Member]
Operating Loss Carryforwards [Line Items]
Fiscal years open for audit	2014
State Income Tax [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 78,870
State Income Tax [Member] \| Beginning of Range [Member]
Operating Loss Carryforwards [Line Items]
Fiscal years open for audit	2009
State Income Tax [Member] \| End of Range [Member]
Operating Loss Carryforwards [Line Items]
Fiscal years open for audit	2014
United Kingdom [Member] \| Beginning of Range [Member]
Operating Loss Carryforwards [Line Items]
Fiscal years open for audit	2013
United Kingdom [Member] \| End of Range [Member]
Operating Loss Carryforwards [Line Items]
Fiscal years open for audit	2014