Retirement Plans - Defined Contribution Plans (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract]
Maximum percentage of employee compensation match by employer to employee stock ownership plan	4.00%
Employer contributions	$ 4.7	$ 4.1
Maximum percentage of employer match in the form of common stock	50.00%
Shares held by the ESOP plan (shares)	1.2		1.2

The maximum employer's matching contribution expressed as a percentage of eligible employee compensation to the employee stock ownership plan.

No definition available.

+ Details

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Period Type:	duration

- Definition

The maximum percentage of the employer's matching contribution that can be contributed in the form of common stock for the employee stock ownership plan.

+ References

No definition available.

+ Details

Name:	csl_EmployeeStockOwnershipPlanEsopPlanMaximumPercentageOfMatchAmountInFormOfCommonStock
Namespace Prefix:	csl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant