Income Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Per Common Share [Abstract]
Net income attributed to Landauer, Inc.	$ 3,051	$ 4,877
Less: Income allocated to unvested restricted stock	46	31
Net income available to common stockholders	$ 3,005	$ 4,846
Basic weighted averages shares outstanding	9,422	9,336
Net (loss) income per share - Basic	$ 0.32	$ 0.52
Effect of dilutive securities	45	49
Diluted weighted averages shares outstanding	9,467	9,385
Net (loss) income per share - Diluted	$ 0.32	$ 0.52
Dividends paid per share	$ 0.55