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Pension Plans and Other Postretirement Benefits Domestic and Foreign Pension and Postretirement Defined Benefit Plans (Footnote) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract] |  |  |  |
Net Pension and Postretirement Benefits Cost (Credit) | $ 0.6 | $ 0.8 | $ 1.2 | $ (1.2)

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- Definition Disposal Group, Including Discontinued Operation, Net Pension and Postretirement Benefits Cost (Credit) + References No definition available. + Details
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Namespace Prefix: | alb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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