Consolidated Statements Of Comprehensive Income (USD $)	12 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2011
Net income attributed to Landauer, Inc.	$ 5,696,000	[1]	$ 20,100,000	[1]	$ 25,208,000	[1]
Other comprehensive income:
Defined benefit pension and postretirement plans activity, net of taxes	2,894,000		(1,757,000)		(2,632,000)
Foreign currency translation adjustment	(2,255,000)		(583,000)		119,000
Comprehensive income	6,335,000		17,760,000		22,695,000
Parent [Member]
Net income attributed to Landauer, Inc.	4,836,000		19,270,000		24,538,000
Other comprehensive income:
Defined benefit pension and postretirement plans activity, net of taxes	2,894,000		(1,757,000)		(2,632,000)
Foreign currency translation adjustment	(2,078,000)		(386,000)		286,000
Comprehensive income	5,652,000		17,127,000		22,192,000
Non-Controlling Interest [Member]
Net income attributed to Landauer, Inc.	860,000		830,000		670,000
Other comprehensive income:
Defined benefit pension and postretirement plans activity, net of taxes					0
Foreign currency translation adjustment	(177,000)		(197,000)		(167,000)
Comprehensive income	$ 683,000		$ 633,000		$ 503,000

[1] Restated