Acquisitions (Final Purchase Price Allocations For Acquisitions) (Details) (USD $) In Millions		12 Months Ended
	Sep. 30, 2011	Dec. 31, 2010 Bowne, Nimblefish, And 8touches [Member]
Business Acquisition [Line Items]
Accounts receivable	$ 3.7	$ 129.0
Inventories	0.6	32.1
Prepaid expenses and other current assets	0.3	18.1
Property, plant and equipment and other long-term assets	9.8	127.3
Amortizable intangible assets	3.5	159.8
Goodwill	110.9	257.9
Accounts payable and accrued liabilities	(6.0)	(159.7)
Other noncurrent liabilities	(2.9)
Pension benefits and other long-term liabilities		(76.7)
Deferred taxes-net	14.2	(17.6)
Total purchase price-net of cash acquired	134.1	470.2
Less: fair value of Company's previously-held investments in Helium	13.9
Less: fair value of contingent consideration	6.8
Less: debt assumed		28.2
Net cash paid	$ 113.4	$ 442.0