Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Customer-funded research and development	$ 0.8	$ 0.3
Research expense	27.6	29.0	26.1
Capitalized salaries, travel, and consulting costs related to software development	$ 0.4	$ 2.3
Russia Entity [Member]
Interest in foreign subsidiaries	50.00%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others.

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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