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Stockholder's Equity (Tables)
 12 Months Ended
Dec. 30, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Common Stock Share Activity
The following is an analysis of Teledyne's common stock share activity:
 
 
Shares
Balance, January 3, 2010
 
36,078,477

Stock options exercised and other
 
284,895

Balance, January 2, 2011
 
36,363,372

Stock options exercised and other
 
663,643

Balance, January 1, 2012
 
37,027,015

Stock options exercised and other
 
135,682

Balance, December 30, 2012
 
37,162,697
Valuation of Stock Options Granted
The following assumptions were used in the valuation of stock options granted in 2012, 2011 and 2010:
For the year
2012
 
2011
 
2010
Expected dividend yield
—

 
—

 
—

Expected volatility
34.1
%
 
36.8
%
 
35.3
%
Risk-free interest rate
1.1
%
 
2.1
%
 
2.4
%
Expected life in years
6.7

 
6.2

 
6.0
Stock Option Transactions for Employee Stock Option Plans
Stock option transactions for Teledyne’s employee stock option plans are summarized as follows:
 
2012
 
2011
 
2010
 
Shares
 
Weighted Average Exercise Price
 
Shares
 
Weighted Average Exercise Price
 
Shares
 
Weighted Average Exercise Price
Beginning balance
2,322,845
 
$
38.19

 
2,456,296

 
$
33.07

 
2,249,050

 
$
30.40

Granted
500,006
 
$
64.73

 
499,038

 
$
47.35

 
433,094

 
$
42.09

Exercised
(542,205
)
 
$
29.92

 
(576,575
)
 
$
23.89

 
(179,747
)
 
$
20.34

Canceled or expired
(77,641
)
 
$
48.19

 
(55,914
)
 
$
42.94

 
(46,101
)
 
$
36.74

Ending balance
2,203,005

 
$
45.90

 
2,322,845

 
$
38.19

 
2,456,296

 
$
33.07

Options exercisable at end of period
1,323,965

 
$
39.07

 
1,586,480

 
$
34.79

 
1,939,785

 
$
30.19
Stock Options Outstanding and Stock Options Exercisable Under Employee Stock Option Plans
The following table provides certain information with respect to stock options outstanding and stock options exercisable at January 1, 2012 under the employee stock option plans: 
 
  
Stock Options Outstanding
 
Stock Options Exercisable
Range of Exercise Prices
  
Shares
 
Weighted Average Exercise Price
 
Remaining Life
 
Shares
 
Weighted Average Exercise Price
$13.45-$20.00
  
93,237

  
$
18.51

  
1.0
 
93,237

 
$
18.51

$20.01-$30.00
  
149,795

  
$
26.99

  
2.2
 
149,795

 
$
26.99

$30.01-$40.00
  
478,103

  
$
36.81

  
3.8
 
478,103

 
$
36.81

$40.01-$50.00
  
697,787

  
$
44.72

  
7.7
 
329,843

 
$
43.92

$50.01-$60.00
  
305,377

  
$
50.94

  
5.6
 
272,987

 
$
50.80

$60.01-$65.58
 
478,706

 
$
64.73

 
9.4
 
—


$
—

 
  
2,203,005

  
$
45.90

  
6.3
 
1,323,965

 
$
39.07
Stock Option Transactions for Non-employee Stock Option Plans
Stock option transactions for Teledyne’s non-employee director stock option plans are summarized as follows:
 
2012
 
2011
 
2010
 
Shares
 
Weighted Average Exercise Price
 
Shares
 
Weighted Average Exercise Price
 
Shares
 
Weighted Average Exercise Price
Beginning balance
404,692

 
$
32.85

 
440,825

 
$
28.15

 
418,817

 
$
26.66

Granted
43,548

 
$
59.17

 
42,759

 
$
45.19

 
41,364

 
$
39.53

Exercised
(139,332
)
 
$
26.66

 
(78,892
)
 
$
13.31

 
(17,356
)
 
$
14.55

Canceled or expired
—

 
$
—

 
—

 
$
—

 
(2,000
)
 
$
14.75

Ending balance
308,908

 
$
39.35

 
404,692

 
$
32.85

 
440,825

 
$
28.15

Options exercisable at end of period
265,360

 
$
36.10

 
361,933

 
$
31.39

 
399,461

 
$
27.06
Stock Options Outstanding and Stock Exercisable Under Non Employee Director Stock Option Plan
The following table provides certain information with respect to stock options outstanding and stock options exercisable at December 30, 2012 under the non-employee director stock option plan: 
 
  
Stock Options Outstanding
 
Stock Options Exercisable
Range of Exercise Prices
  
Shares
 
Weighted Average Exercise Price
 
Remaining Life
 
Shares
 
Weighted Average Exercise Price
  $8.37-$10.00
  
2,530

  
$
9.33

  
0.7
  
2,530

  
$
9.33

$10.01-$20.00
  
28,839

  
$
17.78

  
1.9
  
28,839

  
$
17.78

$20.01-$30.00
  
62,042

  
$
26.26

  
4.2
  
62,042

  
$
26.26

$30.01-$40.00
  
67,813

  
$
34.47

  
5.6
  
63,949

  
$
34.30

$40.01-$50.00
  
85,550

  
$
46.10

  
6.9
  
80,000

  
$
46.42

$50.01-$60.00
  
28,000

  
$
53.76

  
5.4
  
28,000

  
$
53.76

$60.01-$64.73
 
34,134

 
$
64.55

 
9.4
 
—


$
—

 
  
308,908

  
$
39.35

  
5.7
  
265,360

  
$
36.10
Summary of Restricted Stock Activity
The following table summarizes Teledyne's restricted stock activity:
 
  
Shares
 
Weighted average fair value per shares
Balance, January 3, 2010
  
101,340

 
$
31.77

Granted
  
41,885

 
$
29.62

Issued
  
(31,307
)
 
$
27.71

Forfeited/Canceled
  
(2,916
)
 
$
27.71

Balance, January 2, 2011
  
109,002

 
$
32.22

Granted
  
43,654

 
$
37.22

Issued
  
(27,913
)
 
$
37.89

Forfeited/Canceled
  
(7,311
)
 
$
30.77

Balance, January 1, 2012
  
117,432

 
$
32.82

Granted
  
37,304

 
$
44.34

Issued
  
(32,610
)
 
$
30.97

Forfeited/Canceled
  
(357
)
 
$
30.97

Balance, December 30, 2012
  
121,769

 
$
36.85