XML 27 R14.htm IDEA: XBRL DOCUMENT v2.4.0.6

Note B - Inventories (Detail)	Jun. 30, 2012	Dec. 31, 2011
Percentage of LIFO Inventory	80.00%	82.00%

X

- Definition

The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

+ References

No definition available.

+ Details

Name:	us-gaap_PercentageOfLIFOInventory
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant