Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Reconciliation Of Weighted Average Number Of Common Shares Outstanding

The following table sets forth a reconciliation of the weighted-average number of shares of Common Stock outstanding to the weighted-average number of shares outstanding on a diluted basis:

	2013		2012		2011
Weighted average common shares outstanding—basic		138.6		140.1		143.2
Dilutive effect of stock options		2.6		2.6		2.6
Weighted average common shares outstanding—diluted		141.2		142.7		145.8
Antidilutive stock options outstanding		1.6		1.6		0.7