Financial Statement Details (Schedule Of Accrued Expenses) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Financial Statement Details [Abstract]
Accrued installation and professional services costs	$ 4,524	$ 3,612
Deferred rent	3,233	2,532
Accrued restructuring	14,106	441
Accrued property, sales and other taxes	2,843	2,790
Accrued losses on customer contracts	1,210	840
Accrued foreign currency contract settlements	1,037	0
Accrued warranty costs	2,593	1,185
Accrued professional fees and legal accrual	1,778	1,839
Accrued other	7,283	7,105
Accrued expenses, Total	$ 38,607	$ 20,344