Restructuring (Tables)

9 Months Ended

Sep. 30, 2011

2011 Restructuring Plan [Member]

Schedule Of Restructuring Liability Activity Balance Included Within Payables, Deferred Revenue And Other Current Liabilities On The Company's Balance Sheets

	2011
Balance at January 1	$	—
Severance charge	2.8
Severance payments	(0.9		)
Balance as of September 30, 2011	$	1.9

Restructuring Plan for 2010 [Member]

Schedule Of Restructuring Liability Activity Balance Included Within Payables, Deferred Revenue And Other Current Liabilities On The Company's Balance Sheets

	2011
Balance at January 1	$	12.4
Severance payments	(10.9		)
Balance as of September 30, 2011	$	1.5

Facility Charge [Member]

Schedule Of Restructuring Liability Activity Balance Included Within Payables, Deferred Revenue And Other Current Liabilities On The Company's Balance Sheets

	2011
Balance at January 1	$	20.7
Facility payments	(6.9		)
Facility adjustments	$	(2.8	)
Balance as of September 30, 2011	$	11.0