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STOCKHOLDERS' EQUITY AND EQUITY INSTRUMENTS, Plan Information (Details) (USD $)
12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Deferred Compensation Arrangement [Member]
Dec. 31, 2012
Deferred Compensation Arrangement [Member]
Dec. 31, 2011
Deferred Compensation Arrangement [Member]
Dec. 31, 2013
Deferred Compensation Arrangement [Member]
Director [Member]
Dec. 31, 2012
Deferred Compensation Arrangement [Member]
Director [Member]
Dec. 31, 2011
Deferred Compensation Arrangement [Member]
Director [Member]
Dec. 31, 2011
Deferred Compensation Arrangement [Member]
Retiring Directors [Member]
Dec. 31, 2013
2001 Plan [Member]
Stock Options [Member]
Dec. 31, 2013
2001 Plan [Member]
Stock Options [Member]
Minimum [Member]
Dec. 31, 2013
2001 Plan [Member]
Stock Options [Member]
Maximum [Member]
Dec. 31, 2013
2005 Plan [Member]
Dec. 31, 2005
2005 Plan [Member]
Dec. 31, 2013
2005 Plan [Member]
Stock Options [Member]
Dec. 31, 2013
2005 Plan [Member]
RSUs [Member]
Dec. 31, 2013
2005 Plan [Member]
PSUs [Member]
Tranche
Stockholders' Equity and Equity Instruments [Abstract]                                    
Dividends paid (in dollars per share) $ 2.18 $ 1.98 $ 1.80                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                    
Deferred stock units credited in period (in shares)       16,331 14,400 10,460                        
Shares reissued from treasury stock (in shares)             1,259 1,144 971 11,172                
Authorized shares of CMP common stock (in shares)                             3,240,000      
Vesting period                       3 years 4 years          
Service period                               4 years 3 years 3 years
Award expiration description                     Expire on the thirtieth day immediately following the eighth anniversary of issuance     The right to grant awards expires in 2015.   Unexercised options expire after seven years.    
Number of tranches                                   3
Terms of award                               Upon vesting, each option can be exercised to purchase one share of the Company's common stock. one share of common stock for each vested RSU.  
Performance period of each tranche (in years)                                   1 year
Minimum percentage of earnings (in hundredths)                                   0.00%
Maximum percentage of earnings (in hundredths)                                   150.00%