Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 40.7	$ 66.6
Income from discontinued operations	73.0	14.7
(Loss) Income from continuing operations	(32.3)	51.9
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities of continuing operations:
Depreciation and amortization	44.5	41.3
Gain on sale of business	0	(7.0)
Asset Impairment Charges	88.6	0
Deferred income tax expense (benefit)	(8.3)	13.5
Earnings from Cellular Partnerships, net	0	(20.2)
Distributions from Cellular Partnerships	0	19.6
Stock compensation expense	9.2	7.2
Changes in assets and liabilities:
Change in receivables	2.0	(0.4)
Change in other current assets	(14.3)	1.9
Change in deferred charges, net	1.2	(1.4)
Change in other assets and liabilities	(12.3)	12.6
Change in payables and other current liabilities	(34.8)	(16.0)
Net cash provided by operating activities of continuing operations	43.5	103.0
Net cash provided by (used in) operating activities of discontinued operations	8.1	(1.0)
Net cash provided by operating activities	51.6	102.0
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(40.8)	(30.3)
Proceeds from disposition of business	0	10.0
Payments to acquire short-term investments	(19.0)	0
Net cash used in investing activities of continuing operations	(59.8)	(20.3)
Net cash provided by (used in) investing activities of discontinued operations	431.6	(7.0)
Net cash provided by (used in) investing activities	371.8	(27.3)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments of credit facilities and other debt, net	(66.3)	(40.5)
Repurchase of common shares	(64.6)	(38.7)
Proceeds from exercise of stock options	4.6	2.8
Other	0	(3.2)
Net cash used in financing activities of continuing operations	(126.3)	(79.6)
Cash (used in) provided by financing activities of discontinued operations	(0.1)	0.1
Net cash used in financing activities	(126.4)	(79.5)
Net increase (decrease) in cash and cash equivalents	297.0	(4.8)
Cash and cash equivalents at beginning of period	421.8	186.1
Cash and cash equivalents at end of period	$ 718.8	$ 181.3