Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 01, 2012

Summary of Significant Accounting Policies [Abstract]

Company's product warranty reserve

	2011			2010			2009
Balance at beginning of year	$	13.0		$	13.6		$	11.0
Accruals for product warranties charged to expense		5.1			4.0			9.5
Cost of product warranty claims		(5.9	)		(4.8	)		(6.9	)
Acquisitions		1.1			0.2			—
Balance at year-end	$	13.3		$	13.0		$	13.6

Computations of basic and diluted earnings per share

	2011			2010			2009
Net income from continuing operations before noncontrolling interest	$	142.1		$	120.0		$	116.4
Less: net income attributable to noncontrolling interest		—			(0.1	)		(0.5	)
Net income from continuing operations		142.1			119.9			115.9
Income (loss) from discontinued operations, net of income taxes		(0.7	)		0.6			(2.6	)
Gain on sale of discontinued operations, net of income taxes		113.8			—			—
Net income attributable to Teledyne Technologies	$	255.2		$	120.5		$	113.3
Basic earnings per share
Weighted average common shares outstanding		36.6			36.2			36.0
Basic earnings per common share
— Continuing operations	$	3.88		$	3.31		$	3.22
— Discontinued operations		3.09			0.02			(0.07	)
Basic earnings per common share	$	6.97		$	3.33		$	3.15
Diluted earnings per share
Weighted average common shares outstanding		36.6			36.2			36.0
Diluted effect of contingently issuable shares		0.7			0.7			0.6
Weighted average common shares outstanding		37.3			36.9			36.6
Diluted earnings per common share
— Continuing operations	$	3.81		$	3.25		$	3.17
— Discontinued operations		3.03			0.02			(0.07	)
Diluted earnings per common share	$	6.84		$	3.27		$	3.10

Effect of derivative instruments designated as cash flow hedges

Net loss recognized in AOCI(a)	$	(2.4	)
Net loss reclassified from AOCI into cost of sales(a)	$	(0.1	)
Net foreign exchange gain recognized in income(b)	$	0.5

(a) Effective portion

(b) Amount excluded from effectiveness testing

Fair values of derivative financial instruments

Liability derivatives	Balance sheet location	January 1, 2012
Derivatives designated as hedging instruments:
Cash flow forward contracts	Other current liabilities	$	2.0
Total derivatives designated as hedging instruments			2.0
Derivatives not designated as hedging instruments:
Non-designated forward contracts	Other current liabilities		0.5
Total derivatives not designated as hedging instruments			0.5
Total liability derivatives		$	2.5

Total accumulated other comprehensive loss

Balance at year end	2011			2010			2009
Foreign currency translation losses	$	(31.5	)	$	(22.2	)	$	(18.5	)
Hedging activities		(4.7	)		(0.6	)		—
Minimum benefit plan liability adjustment(a)		(204.9	)		(162.8	)		(153.3	)
Accumulated other comprehensive loss	$	(241.1	)	$	(185.6	)	$	(171.8	)

(a) Net of deferred taxes of $129.8 million in 2011, $105.5 million in 2010 and $99.0 million in 2009.