Basis Of Presentation	9 Months Ended
Basis Of Presentation	Jun. 30, 2012
Basis Of Presentation [Abstract]
Basis Of Presentation	(1) Basis of Presentation The accompanying unaudited consolidated financial statements reflect the financial position of Landauer, Inc. and subsidiaries (“Landauer” or “the Company”), including businesses acquired and investments in joint ventures as of the effective date of the transactions. The results of operations for the three and nine month periods ended June 30, 2012 and 2011 are not necessarily indicative of the results to be expected for the full fiscal year. The September 30, 2011 balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America. In the opinion of management, the accompanying unaudited consolidated financial statements include all adjustments necessary for a fair statement of such financial statements. Certain reclassifications have been made in the financial statements for comparative purposes. These reclassifications have no effect on the results of operations or financial position of the Company. These unaudited interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended September 30, 2011 and other financial information filed with the Securities and Exchange Commission (the “SEC”). The accounting policies followed by the Company are set forth in the Company’s Annual Report on Form 10-K for the year ended September 30, 2011. There have been no changes to the accounting policies for the three and nine month periods ended June 30, 2012.

The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements.

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