Organization And Significant Accounting Policies - Additional Information (Detail)	9 Months Ended	12 Months Ended
Sep. 30, 2012 Facility	Dec. 31, 2011 Cases l
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of cases produced and distributed		33,200,000
Number of liters per case		9
Number of operational manufacturing facilities	6
Credit and factoring facilities maturity, year	2012
Convertible Senior Notes Due 2013 [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Maturity of convertible senior notes	Mar. 15, 2013

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: 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(a)(2))

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration