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Long-Term Debt - Additional Information (Detail) | 12 Months Ended |  |  |  |  |  |  |  | 12 Months Ended |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended | 0 Months Ended
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Dec. 31, 2011 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2013 Joint Venture Jordan Bromine Company Limited USD ($) | Dec. 31, 2012 Joint Venture Jordan Bromine Company Limited USD ($) | Dec. 31, 2012 Joint Venture Jordan Bromine Company Limited Unsecured non-interest bearing loan USD ($) | Dec. 31, 2013 Joint Venture Jordan Bromine Company Limited Construction Borrowings Related To Foreign Plant USD ($) | Dec. 31, 2012 Joint Venture Jordan Bromine Company Limited Construction Borrowings Related To Foreign Plant USD ($) | Dec. 31, 2013 Joint Venture Jordan Bromine Company Limited Short-term Debt USD ($) | Dec. 31, 2013 Commercial Paper USD ($) | Dec. 31, 2005 5.10% Senior Notes | Dec. 31, 2013 5.10% Senior Notes | Dec. 31, 2012 5.10% Senior Notes | Jan. 20, 2005 5.10% Senior Notes USD ($) | Dec. 31, 2010 4.50% Senior Notes | Dec. 31, 2013 4.50% Senior Notes | Dec. 31, 2012 4.50% Senior Notes | Dec. 10, 2010 4.50% Senior Notes USD ($) | Dec. 31, 2013 Domestic Financial Institution Agreement USD ($) | Dec. 31, 2012 Domestic Financial Institution Agreement | Dec. 31, 2011 Domestic Financial Institution Agreement | Dec. 31, 2013 Foreign Credit Line U.S. Dollar- Euro Denominated Borrowings USD ($) | Dec. 31, 2012 Foreign Credit Line U.S. Dollar- Euro Denominated Borrowings USD ($) | Dec. 31, 2013 Yen Denominated Credit Lines USD ($) | Dec. 31, 2013 Yen Denominated Credit Lines JPY (¥) | Dec. 31, 2011 Yen Denominated Credit Lines | Dec. 31, 2013 Other Foreign Credit Lines USD ($) | Dec. 31, 2013 Other Foreign Credit Lines Foreign Subsidiaries USD ($) | Dec. 31, 2013 Minimum Joint Venture Jordan Bromine Company Limited Construction Borrowings Related To Foreign Plant | Dec. 31, 2013 Maximum Joint Venture Jordan Bromine Company Limited Construction Borrowings Related To Foreign Plant | May 29, 2013 Maximum Commercial Paper USD ($) | Jan. 22, 2014 Subsequent Event Jp Morgan USD ($) payment | Dec. 31, 2013 Revolving Credit Facility USD ($) | Dec. 31, 2013 Revolving Credit Facility Minimum | Dec. 31, 2013 Revolving Credit Facility Maximum | Feb. 07, 2014 Revolving Credit Facility Subsequent Event USD ($) | Feb. 07, 2014 Revolving Credit Facility Subsequent Event Minimum | Feb. 07, 2014 Revolving Credit Facility Subsequent Event Maximum
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate annual maturities of long-term debt, 2014 |  | $ 24,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate annual maturities of long-term debt, 2015 |  | 327,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate annual maturities of long-term debt, 2016 |  | 379,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate annual maturities of long-term debt, 2017 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate annual maturities of long-term debt, 2018 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate annual maturities of long-term debt, thereafter |  | 350,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity period |  |  |  |  |  |  |  |  |  | 21 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  | 5 years |  |
Revolving credit facility, maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,000,000 |  |  | 48,000,000 | 48,000,000 | 42,800,000 | 4,500,000,000.0 |  | 93,300,000 | 80,100,000 |  |  |  |  | 750,000,000.0 |  |  | 750,000,000.0 |  |
Total spreads and fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.975% | 0.90% | 1.40% | 1.00% | 0.90% | 1.50%
Debt covenant maximum debt to EBITDA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.50 |  |
Debt covenant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |
Gross debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 750,000,000.0 |  |  |  |  |  |  |
Commercial paper notes |  | 363,000,000 | 0 |  |  |  |  |  |  | 363,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate |  |  |  |  |  |  |  |  |  | 0.23% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fees and expenses related to new agreement | 2,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of debt |  |  |  |  |  |  |  |  |  |  |  |  |  | 325,000,000.0 |  |  |  | 350,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate |  |  |  |  |  |  |  |  | 1.59% |  |  | 5.10% | 5.10% | 5.10% |  | 4.50% | 4.50% | 4.50% |  |  |  |  |  |  |  |  |  |  | 2.09% | 5.30% |  |  |  |  |  |  |  |
Interest rate of debt, effective percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.19% |  |  |  | 4.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date of debt |  |  |  |  |  |  |  |  |  |  | Feb. 01, 2015 |  |  |  | Dec. 15, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average interest rate on borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.89% | 1.49% | 1.43% |  |  | 0.52% | 0.52% | 1.07% |  |  |  |  |  |  |  |  |  |  |  |
Borrowings outstanding under the credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving senior credit facility, remaining borrowings |  | 387,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Additional Borrowing Capacity |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000,000 |  |
Foreign currency denominated debt |  | 1,078,864,000 | 699,288,000 | 26,400,000 | 26,400,000 |  | 7,900,000 | 13,500,000 | 18,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-interest loan from other shareholders |  |  |  |  |  | 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional borrowing capacity amount |  |  |  | 6,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Semi Annual Coupon Payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |  |
Notional amount |  | $ 321,400,000 | $ 274,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 325,000,000 |  |  |  |  |  |
Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.281% |  |  |  |  |  |

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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Weighted average interest rate of long-term debt outstanding. + References No definition available. + Details
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