Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2011

Retirement Plans

Summary of estimated future benefits to be paid for the Company's defined benefit pension plans and post-retirement medical plan

In millions Year	Defined Benefit Retirement Plan		Post-Retirement Medical Plan
2012		16.4		0.3
2013		17.7		0.3
2014		16.5		0.3
2015		17.0		0.3
2016		16.6		0.3
2017 - 2021		83.4		1.4

Schedule of breakdown of shares held by ESOP

In millions	2011		2010		2009
Shares held by the ESOP		1.9		2.0		2.4

Defined Benefit Plans

Retirement Plans

Schedule of reconciliation of the beginning and ending balances of the projected pension benefit obligation, the fair value of the plan assets and the ending accumulated benefit obligation

In millions	2011			2010
Funded status
Projected benefit obligation
Beginning of year	$	214.2		$	172.4
Change in benefit obligation:
Service cost		5.2			5.4
Interest cost		10.7			9.5
Plan amendments		1.4			—
Actuarial loss		4.0			4.7
Benefits paid		(20.6	)		(12.3	)
Foreign Currency		(0.1	)		—
Assumed obligation from Hawk acquisition		—			34.5
End of year		214.8			214.2
Fair value of plan assets
Beginning of year		202.4			157.2
Change in plan assets:
Actual return on plan assets		24.6			20.2
Company contributions		5.3			5.0
Benefits paid		(20.6	)		(12.3	)
Assumed assets from Hawk acquisition		—			32.3
End of year		211.7			202.4
(Unfunded) funded status end of year	$	(3.1	)	$	(11.8	)
Accumulated benefit obligation at end of year	$	(211.1	)	$	(210.0	)

Schedule of fair value of the plans' assets by asset category

	Fair Value Measurements at December 31, 2011
Asset Category (in millions)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Mutual funds
Equity mutual funds(1)	$	25.2	$	1.5	$	—	$	26.7
Fixed income mutual funds(2)		176.1		8.9		—		185.0
Total	$	201.3	$	10.4	$	—	$	211.7

	Fair Value Measurements at December 31, 2010
Asset Category (in millions)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash	$	3.9	$	—	$	—	$	3.9
Equity securities:
US company(3)		9.0		—		—		9.0
Mutual funds:
Equity mutual funds(1)		26.7		13.2		—		39.9
Fixed income mutual funds(2)		147.2		2.4		—		149.6
Total	$	186.8	$	15.6	$	—	$	202.4

(1)

This category is comprised of investments in mutual funds that invest in equity securities such as large publicly traded companies listed in the S&P 500 Index; small to medium sized companies with market capitalization in the range of the Russell 2500 Index; and foreign issuers in emerging markets.

(2)

This category is comprised of investments in mutual funds that invest in U.S. corporate and government fixed income securities, including asset-backed securities; high yield fixed income securities primarily rated BB, B, CCC, CC, C and D; and US dollar denominated debt securities of government, government related and corporate issuers in emerging market countries.

(3)

This category represents investment in common shares of Carlisle Companies.

Schedule of net asset (liability)

In millions	2011			2010
Current liabilities	$	(0.3	)	$	(0.3	)
Noncurrent liabilities		(3.7	)		(3.6	)
Liability at end of year	$	(4.0	)	$	(3.9	)

Components of net periodic benefit cost

In millions	2011			2010			2009
Service cost	$	5.2		$	5.4		$	5.0
Interest cost		10.7			9.5			10.5
Expected return on plan assets		(14.7	)		(12.8	)		(12.3	)
Curtailment gain		(0.1	)		—			0.1
Amortization of unrecognized net loss		4.6			2.6			1.2
Amortization of unrecognized prior service credit		(0.1	)		(0.1	)		(0.1	)
Net periodic benefit cost	$	5.6		$	4.6		$	4.4

Schedule of weighted-average assumptions for benefit obligations

	2011			2010
Discount rate		4.79	%		5.17	%
Rate of compensation increase		3.56	%		4.29	%
Expected long-term return on plan assets		7.00	%		7.00	%

Schedule of weighted-average assumptions for net periodic benefit cost

	2011			2010			2009
Discount rate		5.14	%		5.68	%		5.68	%
Rate of compensation increase		4.29	%		4.29	%		4.29	%
Expected long-term return on plan assets		7.00	%		7.00	%		7.00	%

Post-retirement Welfare Plans

Retirement Plans

Schedule of net asset (liability)

In millions	2011			2010
Noncurrent assets	$	13.1		$	4.3
Current liabilities		(1.1	)		(1.1	)
Noncurrent liabilities		(15.1	)		(15.0	)
Asset (liability) at end of year	$	(3.1	)	$	(11.8	)

Components of net periodic benefit cost

In millions	2011		2010		2009
Interest cost	$	0.2	$	0.2	$	0.2
Amortization of prior service cost		0.1		0.1		0.1
Amortization of unrecognized net obligation		0.1		0.1		0.2
Net periodic benefit cost	$	0.4	$	0.4	$	0.5

Schedule of projected post-retirement benefit obligation

In millions	2011			2010			2009
Benefit obligation at beginning of year	$	3.9		$	3.4		$	2.5
Interest cost		0.2			0.2			0.2
Plan Amendments		—			—			0.6
Participant contributions		0.2			—			—
Actuarial loss		0.1			0.6			0.2
Benefits paid		(0.4	)		(0.3	)		(0.1	)
Benefit obligation at end of year	$	4.0		$	3.9		$	3.4