Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions	6 Months Ended
	Jul. 01, 2011	Jul. 02, 2010
Operating activities:
Net income	$ 96.4	$ 40.5
Adjustments to reconcile net income to net cash provided by operating activities:
Net loss on retirement of debt		29.7
Depreciation	11.2	11.2
Accretion of debt discount	8.7	9.7
Deferred income taxes	6.0	6.2
Amortization of intangible assets	5.9	5.8
Stock-based compensation	5.2	8.3
Amortization of deferred financing costs	1.2	1.5
Excess income tax benefit from employee stock plans	(5.8)	(1.4)
Changes in current assets and liabilities, net	(111.8)	5.6
Other, net	(4.2)	(5.8)
Net cash provided by operating activities	12.8	111.3
Investing activities:
Capital expenditures, net	(14.5)	(10.1)
Net cash used in investing activities	(14.5)	(10.1)
Financing activities:
Proceeds from borrowings	620.5	370.8
Repayment of borrowings	(528.9)	(275.3)
Retirement of Convertible Notes due 2033 - debt component	(37.3)	(27.8)
Retirement of Convertible Notes due 2033 - equity component	(44.9)	(13.1)
Deferred financing costs	(4.1)
Payment of cash dividend	(0.8)
Proceeds from stock options exercised	11.7	2.5
Excess income tax benefit from employee stock plans	5.8	1.4
Retirement of Notes due 2014		(150.8)
Purchases of common stock for treasury		(41.2)
Net cash provided by (used in) financing activities	22.0	(133.5)
Increase (decrease) in cash and cash equivalents	20.3	(32.3)
Cash and cash equivalents at beginning of period	78.4	111.5
Cash and cash equivalents at end of period	$ 98.7	$ 79.2