Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements Of Operations [Abstract]
Net revenues	$ 36,580	$ 39,205	$ 110,343	$ 114,968
Costs and expenses:
Cost of sales	17,964	17,357	51,577	48,292
Selling, general, and administrative	12,550	12,251	38,519	37,216
Goodwill impairment charge	22,700	0	22,700	0
Acquisition and reorganization costs	142	348	442	2,509
Costs and expenses	53,356	29,956	113,238	88,017
Operating (loss) income	(16,776)	9,249	(2,895)	26,951
Equity in income of joint ventures	471	684	2,555	2,555
Interest expense, net	(1,154)	(1,113)	(3,268)	(2,566)
Other income (expense), net	112	(50)	431	0
(Loss) income before taxes	(17,347)	8,770	(3,177)	26,940
Income taxes	(3,748)	2,014	146	7,860
Net (loss) income	(13,599)	6,756	(3,323)	19,080
Less: Net income attributed to noncontrolling interest	154	190	400	479
Net (loss) income attributed to Landauer, Inc.	$ (13,753)	$ 6,566	$ (3,723)	$ 18,601
Net (loss) income per share attributable to Landauer, Inc. shareholders:
Basic	$ (1.46)	$ 0.70	$ (0.40)	$ 1.98
Weighted average basic shares outstanding	9,439	9,371	9,402	9,357
Diluted	$ (1.46)	$ 0.69	$ (0.40)	$ 1.97
Weighted average diluted shares outstanding	9,439	9,412	9,402	9,397
Dividends paid per share	$ 0.55	$ 0.55	$ 1.65	$ 1.65