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Subsequent Event	12 Months Ended
	Dec. 31, 2015
Subsequent Events [Abstract]
Subsequent Event	NOTE 18. Subsequent Event On February 2, 2016, our Board of Directors authorized the purchases of up to $100 million of our Class A Common Stock.  This authorization expires December 31, 2016.  We may make purchases from time to time as market conditions warrant, and any repurchased shares are expected to be held in treasury for future use.  As of February 23, 2016, we have purchased 916,773 shares for $31.1 million.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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