XML 50 R7.htm IDEA: XBRL DOCUMENT v2.4.1.9

Consolidated Statements of STOCKHOLDERS' EQUITY (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Common Stock [Member]
Cash dividends, Common Stock (in dollars per share)	$ 1.32us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	$ 0.24us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	$ 1.12us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Class A Common Stock [Member]
Treasury Stock (in shares)	522,410us-gaap_TreasuryStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonClassAMember	522,410us-gaap_TreasuryStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonClassAMember	522,410us-gaap_TreasuryStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonClassAMember
Cash dividends, Common Stock (in dollars per share)	$ 1.25us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonClassAMember	$ 0.225us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonClassAMember	$ 1.0625us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonClassAMember

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 04



-Article 3







Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.3-04)



-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.28,29)



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682







Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 29, 30



-Article 5

+ Details

Name:	us-gaap_TreasuryStockShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: