INCOME TAXES (Major Tax Jurisdiction) (Detail)	12 Months Ended
Dec. 31, 2012
DomesticCountryMember
IncomeTaxContingencyLineItems
OpenTaxYear	2008
StateAndLocalJurisdictionMember
IncomeTaxContingencyLineItems
OpenTaxYear	1998
United Kingdom [Member]
IncomeTaxContingencyLineItems
OpenTaxYear	2005
Canada [Member]
IncomeTaxContingencyLineItems
OpenTaxYear	2006

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

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

Name:	us-gaap_OpenTaxYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration