Accounting Policies (Tables)
|
12 Months Ended |
Dec. 31, 2011
|
Accounting Policies [Line Items] |
|
Schedule Of Deferred Revenue And Customer Advances |
|
|
|
|
|
|
|
|
|
|
|
2011 |
|
|
2010 |
|
|
|
(in thousands) |
|
Customer advances |
|
$ |
70,001 |
|
|
$ |
132,559 |
|
Maintenance, training and extended warranty |
|
|
33,953 |
|
|
|
36,626 |
|
Undelivered elements |
|
|
7,939 |
|
|
|
5,858 |
|
Acceptance |
|
|
318 |
|
|
|
2,083 |
|
|
|
|
|
|
|
|
|
|
Total deferred revenue and customer advances |
|
$ |
112,211 |
|
|
$ |
177,126 |
|
|
|
|
|
|
|
|
|
| |
Schedule Of Product Warranty |
|
|
|
|
|
|
|
Amount |
|
|
|
(in thousands) |
|
Balance at December 31, 2008 |
|
$ |
7,552 |
|
Accruals for warranties issued during the period |
|
|
7,950 |
|
Accruals related to pre-existing warranties |
|
|
(769 |
) |
Settlements made during the period |
|
|
(8,298 |
) |
|
|
|
|
|
Balance at December 31, 2009 |
|
|
6,435 |
|
Accruals for warranties issued during the period |
|
|
17,084 |
|
Accruals related to pre-existing warranties |
|
|
(1,338 |
) |
Settlements made during the period |
|
|
(12,295 |
) |
|
|
|
|
|
Balance at December 31, 2010 |
|
|
9,886 |
|
Acquisition |
|
|
327 |
|
Accruals for warranties issued during the period |
|
|
13,167 |
|
Accruals related to pre-existing warranties |
|
|
(2,689 |
) |
Settlements made during the period |
|
|
(12,538 |
) |
|
|
|
|
|
Balance at December 31, 2011 |
|
$ |
8,153 |
|
|
|
|
|
| |
Schedule Of Extended Product Warranty |
|
|
|
|
|
|
|
Amount |
|
|
|
(in thousands) |
|
Balance at December 31, 2008 |
|
$ |
6,604 |
|
Deferral of new extended warranty revenue |
|
|
2,552 |
|
Recognition of extended warranty deferred revenue |
|
|
(4,694 |
) |
|
|
|
|
|
Balance at December 31, 2009 |
|
|
4,462 |
|
Deferral of new extended warranty revenue |
|
|
7,696 |
|
Recognition of extended warranty deferred revenue |
|
|
(3,186 |
) |
|
|
|
|
|
Balance at December 31, 2010 |
|
|
8,972 |
|
Acquisition |
|
|
3,151 |
|
Deferral of new extended warranty revenue |
|
|
8,659 |
|
Recognition of extended warranty deferred revenue |
|
|
(8,040 |
) |
|
|
|
|
|
Balance at December 31, 2011 |
|
$ |
12,742 |
|
|
|
|
|
| |
Schedule Of Property, Plant And Equipment |
|
|
|
Buildings |
|
40 years |
Building improvements |
|
5 to 10 years |
Leasehold improvements |
|
Lesser of lease term or useful life |
Furniture and fixtures |
|
10 years |
Test systems manufactured internally |
|
6 years |
Machinery and equipment |
|
3 to 5 years |
Software |
|
3 to 5 years | |
Schedule Of Stock Compensation Plan Activity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011 |
|
|
2010 |
|
|
2009 |
|
|
|
(in thousands) |
|
Cost of revenue |
|
$ |
7,097 |
|
|
$ |
6,536 |
|
|
$ |
4,138 |
|
Engineering and development |
|
|
10,001 |
|
|
|
9,209 |
|
|
|
7,648 |
|
Selling and administrative |
|
|
15,239 |
|
|
|
14,032 |
|
|
|
12,568 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock-based compensation |
|
|
32,337 |
|
|
|
29,777 |
|
|
|
24,354 |
|
Income tax benefit |
|
|
— |
|
|
|
— |
|
|
|
(1,049 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
Total stock-based compensation expense after income taxes |
|
$ |
32,337 |
|
|
$ |
29,777 |
|
|
$ |
23,305 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Stock Options [Member]
|
|
Accounting Policies [Line Items] |
|
Schedule Of Fair Value Of Stock Options Estimated Using Weighted Average Assumptions |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011 |
|
|
2010 |
|
|
2009 |
|
Expected life (years) |
|
|
4.00 |
|
|
|
4.75 |
|
|
|
4.75 |
|
Interest rate |
|
|
1.5 |
% |
|
|
2.4 |
% |
|
|
1.6 |
% |
Volatility-historical |
|
|
52.1 |
% |
|
|
48.8 |
% |
|
|
44.9 |
% |
Dividend yield |
|
|
0.0 |
% |
|
|
0.0 |
% |
|
|
0.0 |
% | |
Stock Purchase Rights [Member]
|
|
Accounting Policies [Line Items] |
|
Schedule Of Fair Value Of Stock Options Estimated Using Weighted Average Assumptions |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011 |
|
|
2010 |
|
|
2009 |
|
Expected life (years) |
|
|
0.5 |
|
|
|
0.5 |
|
|
|
0.5 |
|
Interest rate |
|
|
0.1 |
% |
|
|
0.2 |
% |
|
|
0.3 |
% |
Volatility-historical |
|
|
41.0 |
% |
|
|
48.0 |
% |
|
|
73.6 |
% |
Dividend yield |
|
|
0.0 |
% |
|
|
0.0 |
% |
|
|
0.0 |
% | |