Pension Plans and Postretirement Benefits (Tables)

12 Months Ended

Jan. 01, 2012

Pension Plans and Postretirement Benefits [Abstract]

Components of net period pension benefit expense

	Pension Benefits - Domestic Plans									Pension Benefits - Foreign Plan
	2011			2010			2009			2011			2010
Service cost — benefits earned during the period	$	13.1		$	13.7		$	14.8		$	—		$	—
Interest cost on benefit obligation		42.5			40.6			40.1			1.7			0.7
Expected return on plan assets		(62.7	)		(57.2	)		(48.6	)		(1.7	)		(0.6	)
Amortization of prior service cost		0.2			0.4			0.4			—			—
Recognized actuarial loss		13.6			7.7			15.8			—			—
Net periodic benefit expense	$	6.7		$	5.2		$	22.5		$	—		$	0.1
Less: expense attributable to discontinued operations		—			0.4			1.1			—			—
Net periodic benefit expense — continuing operations	$	6.7		$	4.8		$	21.4		$	—		$	0.1

	Postretirement Benefits
	2011			2010			2009
Service cost — benefits earned during the period	$	—		$	—		$	0.1
Interest cost on benefit obligation		1.0			1.1			1.1
Amortization of prior service cost		(0.6	)		(0.5	)		(0.5	)
Recognized actuarial gain		(0.5	)		(1.1	)		(1.3	)
Net periodic benefit income		(0.1	)		(0.5	)		(0.6	)
Less: amounts attributable to discontinued operations		—			(0.5	)		(0.6	)
Net periodic benefit income — continuing operations	$	(0.1	)	$	—		$	—

Reconciliation of the beginning and ending balances of the benefit obligation of the defined benefit

	Pension Benefits - Domestic Plans						Pension Benefits - Foreign Plan
	2011			2010			2011			2010
Changes in benefit obligation:
Benefit obligation — beginning of year	$	722.9		$	669.3		$	31.1		$	—
Service cost — benefits earned during the year		13.1			13.7			—			—
Interest cost on projected benefit obligation		42.5			40.6			1.7			0.7
Actuarial (gain) loss		45.0			35.1			2.4			0.9
Benefits paid		(40.6	)		(35.8	)		(2.2	)		(0.8	)
Other — foreign currency		—			—			(0.1	)		0.1
Plan amendments(a)		(43.3	)		—			—			—
Divestiture		3.8			—			—			—
Business combination		—			—			—			30.2
Benefit obligation — end of year	$	743.4		$	722.9		$	32.9		$	31.1
Accumulated benefit obligation — end of year	$	742.3		$	678.1		$	32.9		$	31.1

(a) impact of changing the calculation of applicable wages for the determination of the benefit obligation.

	Postretirement Benefits
	2011			2010
Changes in benefit obligation:
Benefit obligation — beginning of year	$	18.4		$	17.6
Interest cost on projected benefit obligation		1.0			1.1
Actuarial (gain) loss		(1.6	)		1.4
Benefits paid		(1.5	)		(1.7	)
Curtailment and other		(1.5	)		—
Benefit obligation — end of year	$	14.8		$	18.4

Estimated future benefit payments

	Domestic Plans		Foreign Plan
2012	$	44.3	$	1.9
2013		43.6		2.0
2014		45.3		1.9
2015		46.9		1.8
2016		48.6		1.8
2017-2021		265.1		9.7
Total	$	493.8	$	19.1

	Postretirement Benefit Plan
2012	$	1.6
2013		1.5
2014		1.5
2015		1.4
2016		1.4
2017-2021		6.0
Total	$	13.4

Reconciliation of the beginning and ending balances of the fair value of plan assets

	Domestic Plans						Foreign Plan
	2011			2010			2011			2010
Changes in plan assets:
Fair value of plan assets — beginning of year	$	657.6		$	584.5		$	29.7		$	—
Business combination		—			—			—			20.5
Actual return on plan assets		(8.2	)		70.8			(1.1	)		2.0
Employer contribution — defined benefit plan		69.0			37.0			0.3			8.1
Employer contribution — other benefit plan		1.1			1.1			—			—
Foreign currency changes		—			—			0.1			(0.1	)
Benefits paid		(40.6	)		(35.8	)		(2.2	)		(0.8	)
Fair value of net plan assets — end of year	$	678.9		$	657.6		$	26.8		$	29.7

Funded status and amounts recognized in Teledyne's consolidated balance sheets

	Domestic Plans - Pension Benefits						Foreign Plan - Pension Benefits
	2011			2010			2011			2010
Funded status	$	(64.5	)	$	(65.3	)	$	(6.1	)	$	(1.4	)
Amounts recognized in the consolidated balance sheets:
Accrued pension obligation (long-term)	$	(59.9	)	$	(60.7	)	$	(6.1	)	$	(1.4	)
Accrued pension obligation (short-term)		(1.5	)		(1.5	)		—			—
Other liabilities		(3.1	)		(3.1	)		—			—
Net amount recognized	$	(64.5	)	$	(65.3	)	$	(6.1	)	$	(1.4	)
Amounts recognized in accumulated other comprehensive loss:
Unrecognized prior service cost	$	(42.4	)	$	1.4		$	—		$	—
Unrecognized net (gain) loss		377.8			275.6			4.5			(0.6	)
Net amount recognized, before tax effect	$	335.4		$	277.0		$	4.5		$	(0.6	)

	Postretirement Benefits
	2011			2010
Funded status	$	(14.8	)	$	(18.4	)
Unrecognized prior service cost		(1.2	)		(1.8	)
Unrecognized net gain		(4.0	)		(6.5	)
Accrued benefit cost	$	(20.0	)	$	(26.7	)
Accrued postretirement benefits (long-term)	$	(13.0	)	$	(16.5	)
Accrued postretirement benefits (short-term)		(1.8	)		(1.9	)
Accumulated other comprehensive income		(5.2	)		(8.3	)
Net amount recognized	$	(20.0	)	$	(26.7	)

Percentage of year-end market value by asset class

	Domestic Plans Plan  Assets % to Total						Foreign Plan Plan Assets % to Total
	2011			2010			2011			2010
Equity instruments		63.0	%		67.0	%		61.0	%		59.0	%
Fixed income instruments		33.0	%		30.0	%		39.0	%		41.0	%
Other		4.0	%		3.0	%		—			—
Total		100.0	%		100.0	%		100.0	%		100.0	%

Assumptions were used to determine the benefit obligation and the net benefit cost

	Domestic Plans									Foreign Plan
For the year	2011			2010			2009			2011			2010
Weighted average discount rate		5.90	%		6.25	%		6.25	%		5.40	%		5.60	%
Weighted average increase in future compensation levels		4.14	%		4.07	%		3.50	%		—			—
Expected weighted-average long-term rate of return		8.25	%		8.25	%		8.25	%		6.60	%		6.40	%