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Accounting Policies (Policies)	3 Months Ended
Accounting Policies (Policies)	Mar. 31, 2012
Accounting Policies [Abstract]
Recently issued accounting pronouncements	Recently Issued Accounting Pronouncements. On January 1, 2012, the Company adopted new accounting guidance requiring more prominent presentation of other comprehensive income items in the Company’s consolidated financial statements. The adoption of this new guidance did not have an impact on the Company’s financial position or its results of operations.