STOCKHOLDERS' EQUITY AND EQUITY INSTRUMENTS, Plan Information (Details) (USD $)
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12 Months Ended | 12 Months Ended | ||||||||||||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Deferred Compensation Arrangement [Member]
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Dec. 31, 2012
Deferred Compensation Arrangement [Member]
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Dec. 31, 2011
Deferred Compensation Arrangement [Member]
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Dec. 31, 2013
Deferred Compensation Arrangement [Member]
Director [Member]
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Dec. 31, 2012
Deferred Compensation Arrangement [Member]
Director [Member]
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Dec. 31, 2011
Deferred Compensation Arrangement [Member]
Director [Member]
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Dec. 31, 2011
Deferred Compensation Arrangement [Member]
Retiring Directors [Member]
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Dec. 31, 2013
2001 Plan [Member]
Stock Options [Member]
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Dec. 31, 2013
2001 Plan [Member]
Stock Options [Member]
Minimum [Member]
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Dec. 31, 2013
2001 Plan [Member]
Stock Options [Member]
Maximum [Member]
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Dec. 31, 2013
2005 Plan [Member]
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Dec. 31, 2005
2005 Plan [Member]
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Dec. 31, 2013
2005 Plan [Member]
Stock Options [Member]
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Dec. 31, 2013
2005 Plan [Member]
RSUs [Member]
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Dec. 31, 2013
2005 Plan [Member]
PSUs [Member]
Tranche
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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% |