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Commitments and Contingencies - Additional Information (Detail) In Millions, unless otherwise specified | 6 Months Ended | 0 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 42 Months Ended |  |  |  | 6 Months Ended | 30 Months Ended |
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Jun. 30, 2014 Amr One Hundred One Contract | Apr. 30, 2014 BASF USD ($) | Jun. 30, 2014 BASF USD ($) | Sep. 30, 2013 Chemport USD ($) | Jul. 31, 2011 Chemport USD ($) | Jun. 30, 2014 Chemport USD ($) | Jun. 30, 2014 Chemport USD ($) | Dec. 31, 2013 Chemport USD ($) | Dec. 31, 2012 Chemport Anticipated investment before the end of 2012 USD ($) | Jun. 30, 2014 Chemport Maximum USD ($) | Jun. 30, 2014 Slanmhor USD ($) | Jun. 30, 2014 Slanmhor USD ($) | Jun. 30, 2014 First Indication for AMR101 Laxdale Limited USD ($) | Jun. 30, 2014 First Indication for AMR101 Laxdale Limited GBP (£) | Jun. 30, 2014 Further Indication for AMR101 Laxdale Limited Potential Marketing Approval 1 USD ($) | Jun. 30, 2014 Further Indication for AMR101 Laxdale Limited Potential Marketing Approval 1 GBP (£) | Jun. 30, 2014 Further Indication for AMR101 Laxdale Limited Potential Marketing Approval 2 USD ($) | Jun. 30, 2014 Further Indication for AMR101 Laxdale Limited Potential Marketing Approval 2 GBP (£) | Jun. 30, 2014 Further Indication for AMR101 Laxdale Limited Maximum USD ($) | Jun. 30, 2014 Further Indication for AMR101 Laxdale Limited Maximum GBP (£)
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of signed agreements | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Refund received for material repurchases |  | $ 3.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment made under the agreements |  |  | 0 |  |  | 1.3 | 3.1 |  |  |  | 0.4 | 6.2 |  |  |  |  |  |  |  |
Minority share equity investment commitment |  |  |  |  |  |  |  |  | 1.6 | 3.3 |  |  |  |  |  |  |  |  |  |
Cash paid for cost method investment |  |  |  |  | 1.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in supplier sold amount |  |  |  | 1.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carry amount of investment |  |  |  |  |  | 2.0 | 2.0 | 3.3 |  |  |  |  |  |  |  |  |  |  |  |
Potential aggregate stock or cash payment |  |  |  |  |  |  |  |  |  |  |  |  | $ 12.8 | £ 7.5 | $ 8.5 | £ 5.0 | $ 8.5 | £ 5.0 | $ 17.0 | £ 10.0

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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + 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 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 + Details
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- Definition The amount the entity has committed to make for future royalty guarantees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 440 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473578&loc=d3e63223-108013 + Details
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