Consolidated Statements Of Cash Flow (Parenthetical) - USD ($)		6 Months Ended
		Jun. 30, 2015
Shares repurchased under the share repurchase program, value	[1]	$ 20,031,000
Stock Repurchase Authorization
Shares repurchased under the share repurchase program, value		$ 15,800,000

[1] 2015 includes $ 15.8 million repurchased under the share repurchase program launched in January 2014.