Other Financial Information (Schedule Of Percentage Distribution Of Inventories) (Details)	Jun. 30, 2012	Dec. 31, 2011
Balance Sheet Related Disclosures [Abstract]
Percentage of inventories determined using the last-in, first-out (LIFO) inventory valuation method	54.00%	45.00%
Raw Material and Work in Process	41.00%	38.00%
Finished Goods and Purchased Parts	59.00%	62.00%

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

No definition available.

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