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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2012
Subsequent Events [Abstract]
Subsequent Events	21. Subsequent Events In February 2013, the Company obtained authorization from the Board of Directors to execute a series of foreign exchange contracts over a two year period to hedge our exposure to movements in the Japanese yen and its impact on our earnings. The Company's execution of these contracts will be dependent upon market conditions. The foreign exchange contracts will not be designated derivatives and will be marked to market through the other income line of the consolidated statement of income.