XML 57 R40.htm IDEA: XBRL DOCUMENT v2.4.0.6

Note 1 - Nature of Operations (Detail)	Dec. 31, 2012
Entity Number of Employees	1,250

X

- Definition

Number of persons employed by the Entity

+ References

No definition available.

+ Details

Name:	dei_EntityNumberOfEmployees
Namespace Prefix:	dei_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant