XML 42 R16.htm IDEA: XBRL DOCUMENT v2.4.0.8

Subsequent Event	9 Months Ended
	Sep. 30, 2014
Subsequent Events [Abstract]
Subsequent Event	NOTE 11. Subsequent Event On October 22, 2014, our Board of Directors authorized the purchase of up to $75.0 million of our Class A Common Stock. This authorization expires December 31, 2015. 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.

X

- Details

Name:	us-gaap_SubsequentEventsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration