Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]	0000097134 (http://www.sec.gov/CIK)
Scenario [Axis]	Scenario, Unspecified [Domain]

Statement [Line Items]	Period [Axis]
	2013-12-31	2012-12-31
Inventories carried at LIFO:
Finished goods	36,238,000	33,546,000
Raw materials, production parts and work-in-process	13,922,000	14,291,000
LIFO Reserve	(27,463,000)	(27,608,000)
Total LIFO inventories	22,697,000	20,229,000
Inventories carried at FIFO:
Finished goods	31,489,000	25,623,000
Raw materials, production parts and work-in-process	12,720,000	12,284,000
Total FIFO inventories	44,209,000	37,907,000
Inventories	66,906,000	58,136,000