Note 6.3 - Fair Value Measurements, Liabilities Measured On A Recurring Basis Level 4 (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Other Current Liabilities [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Foreign Exchange Contract [Member]	Dec. 31, 2010 Other Current Liabilities [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Foreign Exchange Contract [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] US Government Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] US Government Debt Securities [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] US Government-sponsored Enterprises Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] US Government-sponsored Enterprises Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Foreign Government Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Foreign Government Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Certificates of Deposit [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Certificates of Deposit [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Commercial Paper [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Commercial Paper [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Asset-backed Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Asset-backed Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Corporate Debt Securities [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Corporate Debt Securities [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Money Market Funds [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Money Market Funds [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Mutual Funds [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Mutual Funds [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Foreign Exchange Contract [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Foreign Exchange Contract [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] US Government Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] US Government Debt Securities [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] US Government-sponsored Enterprises Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] US Government-sponsored Enterprises Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Foreign Government Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Foreign Government Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Certificates of Deposit [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Certificates of Deposit [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Commercial Paper [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Commercial Paper [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Asset-backed Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Asset-backed Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Corporate Debt Securities [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Corporate Debt Securities [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Money Market Funds [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Money Market Funds [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Mutual Funds [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Mutual Funds [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Foreign Exchange Contract [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] Foreign Exchange Contract [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] US Government Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] US Government Debt Securities [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] US Government-sponsored Enterprises Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] US Government-sponsored Enterprises Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Foreign Government Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Foreign Government Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Certificates of Deposit [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Certificates of Deposit [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Commercial Paper [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Commercial Paper [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Asset-backed Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Asset-backed Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Corporate Debt Securities [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Corporate Debt Securities [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Money Market Funds [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Money Market Funds [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Mutual Funds [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Mutual Funds [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Foreign Exchange Contract [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] Foreign Exchange Contract [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] US Government Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] US Government Debt Securities [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] US Government-sponsored Enterprises Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] US Government-sponsored Enterprises Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Foreign Government Debt Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Foreign Government Debt Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Certificates of Deposit [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Certificates of Deposit [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Commercial Paper [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Commercial Paper [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Asset-backed Securities [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Asset-backed Securities [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Corporate Debt Securities [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Corporate Debt Securities [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Money Market Funds [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Money Market Funds [Member]		Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Mutual Funds [Member]		Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Mutual Funds [Member]	Jun. 30, 2011 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Foreign Exchange Contract [Member]	Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value on a recurring basis							$ 3,217.4	$ 2,244.8	$ 3,217.4	$ 2,244.8	$ 395.3	$ 235.7	[1]	$ 348.3	$ 219.0	$ 10.1	$ 47.0	$ 44.3	$ 21.0	$ 16.0	$ 13.5	$ 110.9	$ 90.0	$ 469.3	[2]	$ 464.4	[3]	$ 1,823.2	[4]	$ 1,154.2	[5]						$ 2,244.1	$ 1,441.7	$ 2,244.1	$ 1,441.7	$ 150.1	$ 54.9	[1]	$ 270.8	$ 208.9	$ 0	$ 21.0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	[2]	$ 2.7	[3]	$ 1,823.2	[4]	$ 1,154.2	[5]						$ 973.3	$ 803.1	$ 973.3	$ 803.1	$ 245.2	$ 180.8	[1]	$ 77.5	$ 10.1	$ 10.1	$ 26.0	$ 44.3	$ 21.0	$ 16.0	$ 13.5	$ 110.9	$ 90.0	$ 469.3	[2]	$ 461.7	[3]	$ 0	[4]	$ 0	[5]						$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	[1]	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	[2]	$ 0	[3]	$ 0	[4]	$ 0	[5]
Total trading securities measured at fair value on a recurring basis							12.4	8.1																								12.4	[6]	8.1			12.4	8.1																								12.4	[6]	8.1			0	0																								0	[6]	0			0	0																								0	[6]	0
Derivative assets measured at fair value on a recurring basis							2.3	0.4																											2.3	0.4	0	0																											0	0	2.3	0.4																											2.3	0.4	0	0																											0	0
Total assets measured at fair value							3,232.1	2,253.3																													2,256.5	1,449.8																													975.6	803.5																													0	0
Derivative liability measured at fair value on a recurring basis					(0.1)	(2.6)
Transfers between levels of fair value [Abstract]
Fair Value, Level 1 to level 2 Transfers, Amount	0	0	0	0
Fair Value, Level 2 to level 1 Transfers, Amount	$ 0	$ 0	$ 0	$ 0

[1] Balance includes $0.6 million of restricted investments measured at fair market value, related to an acquisition completed in 2005. For additional information regarding the Company's restricted investments, see Note 5, Cash, Cash Equivalents, and Investments, under the heading “Restricted Cash.” Restricted investments are included in the restricted cash balance in the condensed consolidated balance sheet.

[2] Balance includes $2.1 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.

[3] Balance includes $2.7 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.

[4] Balance includes $88.7 million of restricted investments measured at fair market value, related to the Company's D&O trust.

[5] Balance includes $114.3 million of restricted investments measured at fair market value, related to the Company's D&O trust.

[6] Balance includes $1.1 million of restricted investments measured at fair market value, related to the Company's India Gratuity Trust.