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Goodwill (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
	Mar. 31, 2006
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill related to business acquisition	$ 7.2

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

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