XML 41 R87.htm IDEA: XBRL DOCUMENT v2.4.0.8
Capital Stock - Additional Information (Detail) (USD $)
 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
President and Chief Executive Officer [Member]
Dec. 31, 2013
Stock Option [Member]
Dec. 31, 2012
Stock Option [Member]
Dec. 31, 2011
Stock Option [Member]
Dec. 31, 2013
Stock Option [Member]
Nonvested [Member]
Dec. 31, 2012
Stock Option [Member]
Nonvested [Member]
Dec. 31, 2013
Restricted stock units [Member]
Dec. 31, 2012
Restricted stock units [Member]
Dec. 31, 2011
Restricted stock units [Member]
Dec. 31, 2013
Restricted stock units [Member]
Minimum [Member]
Dec. 31, 2013
Restricted stock units [Member]
Maximum [Member]
Dec. 31, 2013
Performance shares [Member]
Times
Dec. 31, 2012
Performance shares [Member]
Dec. 31, 2011
Performance shares [Member]
Dec. 31, 2013
Restricted stock [Member]
Dec. 31, 2012
Restricted stock [Member]
Dec. 31, 2011
Restricted stock [Member]
Mar. 31, 2011
Net period pension cost [Member]
President and Chief Executive Officer [Member]
Dec. 31, 2013
Thousands of Shares of Common Stock Outstanding [Member]
Dec. 31, 2011
Thousands of Shares of Common Stock Outstanding [Member]
Dec. 31, 2012
Thousands of Shares of Common Stock Outstanding [Member]
Dec. 31, 2010
Thousands of Shares of Common Stock Outstanding [Member]
Dec. 31, 2008
Thousands of Shares of Common Stock Outstanding [Member]
Share Repurchase Program Two Thousand And Eight [Member]
Dec. 31, 2013
Thousands of Shares of Common Stock Outstanding [Member]
Two Thousand Thirteen Repurchase Authorization [Member]
Dec. 31, 2010
Tender Offers [Member]
Class of Stock [Line Items]                                                          
Preferred Stock, share authorized 25,000,000 25,000,000                                                      
Preferred Stock, par value $ 1 $ 1                                                      
Common stock, share authorized 725,000,000 725,000,000                                                      
Common stock, par value $ 0.001 $ 0.001                                                      
Number of common shares issued related to the exercise of share based compensation during the period 1,300,000 1,000,000                                                      
Repurchase of Common Stock, shares                                             300,000   0        
Common Stock, share issued 71,528,599 70,203,388                                                      
Preferred stock, share issued 0                                                        
Common Stock, share outstanding 70,729,399 69,704,188                                         70,729,399 68,732,000 69,704,188 72,013,000      
Common stock repurchase, amount authorized                                                     $ 200,000,000    
Common stock repurchase, total remaining amount authorized                                                       37,700,000  
Repurchase of common stock, amount 12,000,000   122,195,000                                                 162,300,000  
Repurchase of common stock, shares                                             300,000 3,923,000       5,200,000  
Minimum percentage of shares acquired in exercisable Rights       20.00%                                                 20.00%
Minimum percentage of common stock acquired by stockholders for higher thresholds       15.00%                                                  
Common stock, shares reserved for issuance upon exercise of options or equity awards granted or to be granted           4,133,987 8,924,470                                            
Term of options under Plans           Ten-year                                              
Vesting period           3 years               2 years 3 years 3 years                          
Granted options under the Plans           72,810 432,971 95,604                                          
Weighted average grant date fair value of non-vested options forfeited                 100,000 800,000                                      
Unrecognized compensation cost related to non-vested stock options granted under the Plans           1,200,000                                              
Expected recognition of compensation related to non-vested stock options granted under the Plans in 2014           1,000,000                                              
Expected recognition of compensation related to non-vested stock options granted under the Plans in 2015           200,000                                              
Fair value of restricted stock awards           1,800,000 2,900,000 5,300,000                     900,000                    
Intrinsic value of options exercised           22,600,000 11,900,000 3,800,000                                          
Intrinsic value of outstanding in-the-money stock options           51,700,000 22,000,000                                            
Intrinsic value of exercisable stock options           44,500,000 18,300,000                                            
Weighted-average remaining life of options vested and expected to vest           4 years 2 months 12 days 5 years                                            
Weighted-average grant-date fair value of options granted $ 10.54 $ 8.72 $ 11.27     $ 10.54 $ 8.72 $ 11.27                                          
Expected volatility used in computing fair value of options granted           53.70% 54.80% 53.60%                                          
Expected life used in computing fair value of options granted, years           4 years                                              
Dividend yield used in computing fair value of options granted           4.80% 4.40% 3.80%                                          
Risk-free interest rate used in computing fair value of options granted           0.80% 2.10% 2.10%                                          
Estimated forfeiture rate used in computing fair value of options granted           12.00% 12.00% 11.20%                                          
Period of historical data used to calculate expected volatility in years           5 years                                              
Value of each restricted stock unit and performance share unit in shares                     Each restricted stock unit and performance share unit is equivalent in value to one share of the Company's common stock plus reinvested dividends from the grant date to the vesting date.                                    
Number of times performance units to vest, Minimum                               0                          
Number of times performance units to vest, Maximum                               3                          
Options Granted                     158,957 268,595 358,180     54,773 67,870 73,349 26,412 23,563 29,663                
Fair value of granted stock                     5,400,000 7,400,000 12,500,000     2,300,000 2,500,000 3,700,000                      
Vested restricted stock                     296,798 334,256 214,863                                
Market value of vested restricted stock                     8,800,000 9,000,000 4,900,000                                
Restricted stock or unit expense                     8,100,000 7,700,000 12,500,000                                
Stock granted                     175,206 200,024 131,682                                
One-time increase in pension plan benefits                                           11,000,000              
Compensation expense related to Mr. Moller's grants         4,700,000                                                
General and administrative $ 140,958,000 $ 144,296,000 $ 173,604,000   $ 15,700,000