CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Treasury Stock - Common
Purchase of shares for company benefit plans, shares	251,403	652,443	425,140
Release of shares from company benefit plans, shares	397,098	57,252	93,906
Preferred Stock
Stock Issued During Period, Shares, Conversion of Convertible Securities	0	0	3,000
Paid-In Capital
Stock Issued During Period, Shares, Conversion of Convertible Securities	0	0	111,111