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Shareholders' Rights (Details) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
May. 31, 1986 item | Dec. 31, 2015 item | Mar. 03, 1989 shares
Shareholders' Equity |  |  |
Number of Preferred Stock Purchase Right (the "Rights") for each outstanding share of the entity's common stock | shares |  |  | 1
Percentage of common stock to be acquired for rights to be exercisable |  | 25.00% |
Percentage of voting power to be acquired for rights to be exercisable |  | 40.00% |
Percentage of discount at which rights holders may purchase the Company's common stock on exercise of rights |  | 50.00% |
Percentage of discount at which rights holders may purchase the acquirer's shares in case of merger or other business combination |  | 50.00% |
Number of votes per share | 5 |  |
Number of votes per share that the holder is entitled for shares acquired after May 30, 1986 |  | 1 |
Number of years shares purchased after May 30, 1986 must be held to be entitled to five votes per share |  | 4 years |
Number of votes per share after holding shares purchased after May 30, 1986 for four years |  | 5 |

X
- Definition Represents the percentage of the entity's outstanding common stock that must be acquired for rights to become exercisable. + References No definition available. + Details
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Namespace Prefix: | csl_
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Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of discount at which rights holders may purchase the common stock of the entity on exercise of rights. + References No definition available. + Details
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Namespace Prefix: | csl_
Data Type: | num:percentItemType
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X
- Definition Represents the percentage of voting power that must be acquired for rights to become exercisable. + References No definition available. + Details
Name: | csl_ClassOfWarrantOrRightConditionOnExerciseOfRightsPercentageOfVotingPowerAcquired
Namespace Prefix: | csl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of discount at which rights holders may purchase the acquirer's shares in case of merger or other business combination. + References No definition available. + Details
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Namespace Prefix: | csl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of votes per share after holding shares purchased after May 30, 1986 for four years. + References No definition available. + Details
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Period Type: | duration

X
- Definition Represents the number of votes per share that the holder is entitled for shares acquired after specified date. + References No definition available. + Details
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Namespace Prefix: | csl_
Data Type: | xbrli:integerItemType
Balance Type: | na
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X
- Definition Represents the number of votes per share of common stock. + References No definition available. + Details
Name: | csl_CommonStockVotingRightsNumberOfVotesPerShare
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Data Type: | xbrli:integerItemType
Balance Type: | na
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X
- Definition Represents the number of years shares purchased after a specific date must be held before the holder will be entitled to five votes per share. + References No definition available. + Details
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- References No definition available. + Details
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Balance Type: | na
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X
- Definition Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant