Employee Benefit And Retirement Plans (Tables)

12 Months Ended

Dec. 30, 2011

Employee Benefit And Retirement Plans [Abstract]

Summarized Information Of Benefit Obligations, Plan Assets And Funded Status

	12/30/11			12/31/10
Change in benefit obligation
Accumulated postretirement benefit obligation—beginning of year	$	10.3		$	10.1
Service cost		0.7			0.7
Interest cost		0.6			0.5
Actuarial loss (gain)		1.4			(0.8	)
Benefits paid		(0.2	)		(0.2	)
Curtailment		(0.8	)		—
Accumulated postretirement benefit obligation—end of year	$	12.0		$	10.3
Change in plan assets
Assets at fair value—beginning of year	$	10.1		$	9.5
Return on plan assets		(0.1	)		0.8
Benefits paid		(0.2	)		(0.2	)
Assets at fair value—end of year	$	9.8		$	10.1
Funded status	$	(2.2	)	$	(0.2	)

Fair Value Of Plan Assets

Fair Value Measurements at December 30, 2011
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance
Equity securities	$	3.6	$	—	$	—	$	3.6
Fixed income securities		2.6		—		—		2.6
Guaranteed income fund		—		3.6		—		3.6
Total assets	$	6.2	$	3.6	$	—	$	9.8

Fair Value Measurements at December 31, 2010
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance
Equity securities	$	2.8	$	—	$	—	$	2.8
Fixed income securities		2.5		—		—		2.5
Guaranteed income fund		—		4.8		—		4.8
Total assets	$	5.3	$	4.8	$	—	$	10.1

Components Of Net Periodic Benefit (Credit) Cost

	2011			2010			2009
Components of net periodic postretirement benefit cost
Service cost	$	0.7		$	0.7		$	0.6
Interest cost		0.6			0.5			0.6
Expected return on assets		(0.6	)		(0.6	)		(0.6	)
Amortization of actuarial gain		(0.3	)		(0.3	)		(0.3	)
Amortization of unrecognized prior service cost		0.1			0.1			0.1
Net periodic postretirement benefit cost	$	0.5		$	0.4		$	0.4
Curtailment		(0.7	)		—			—
Total (credit) cost for the year	$	(0.2	)	$	0.4		$	0.4

Weighted Average Assumptions Used To Determine Benefit Costs And Benefit Obligations

	2011			2010			2009
Discount rate used to determine benefit costs		5.75	%		6.00	%		6.75	%
Discount rate used to determine benefit obligation		5.00	%		5.75	%		6.00	%
Expected long-term rate of return on assets		6.50	%		6.50	%		6.50	%

Estimated Future Benefit Payments

2012	$	0.3
2013	$	0.4
2014	$	0.4
2015	$	0.4
2016	$	0.5
2017 – 2021	$	3.6