Long-Term Debt (Details Textual) (USD $) In Millions, unless otherwise specified					12 Months Ended
	Jul. 01, 2011	Jul. 01, 2011 5.0% notes, due October 1, 2015 [Member]	Jul. 02, 2010 5.0% notes, due October 1, 2015 [Member]	Sep. 20, 2005 5.0% notes, due October 1, 2015 [Member]	Jul. 01, 2011 5.95% notes, due December 1, 2017 [Member]	Jul. 02, 2010 5.95% notes, due December 1, 2017 [Member]	Dec. 05, 2007 5.95% notes, due December 1, 2017 [Member]	Jul. 01, 2011 6.375% notes, due June 15, 2019 [Member]	Jul. 02, 2010 6.375% notes, due June 15, 2019 [Member]	Jun. 09, 2009 6.375% notes, due June 15, 2019 [Member]	Jul. 01, 2011 4.4% notes, due December 15, 2020 [Member]	Dec. 03, 2010 4.4% notes, due December 15, 2020 [Member]	Jul. 01, 2011 7.0% debentures, due January 15, 2026 [Member]	Jul. 02, 2010 7.0% debentures, due January 15, 2026 [Member]	Jan. 15, 1996 7.0% debentures, due January 15, 2026 [Member]	Jul. 01, 2011 6.35% debentures, due February 1, 2028 [Member]	Jul. 02, 2010 6.35% debentures, due February 1, 2028 [Member]	Feb. 01, 2008 6.35% debentures, due February 1, 2028 [Member]	Dec. 05, 2007 6.35% debentures, due February 1, 2028 [Member]	Feb. 01, 1998 6.35% debentures, due February 1, 2028 [Member]	Jul. 01, 2011 6.15% notes, due December 15, 2040	Dec. 03, 2010 6.15% notes, due December 15, 2040
Long Term Debt (Textuals)
Notes Payable		$ 300.0	$ 300.0	$ 300.0	$ 400.0	$ 400.0	$ 400.0	$ 350.0	$ 350.0	$ 350.0	$ 400.0	$ 400.0	$ 100.0	$ 100.0	$ 100.0	$ 25.8	$ 25.8			$ 150.0	$ 300.0	$ 300.0
"Make-whole" redemption price				equal to the greater of 100 percent of the principal amount of the notes being redeemed or the sum of the present values of the remaining scheduled payments of the principal and interest (other than interest accruing to the date of redemption) on the notes being redeemed, discounted to the redemption date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate, as defined, plus 15 basis points			equal to the greater of 100 percent of the principal amount of the notes being redeemed or the sum of the present values of the remaining scheduled payments of the principal and interest (other than interest accruing to the date of redemption) on the notes being redeemed, discounted to the redemption date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate, as defined, plus 30 basis points			equal to the greater of 100 percent of the principal amount of the notes being redeemed or the sum of the present values of the remaining scheduled payments of the principal and interest (other than interest accruing to the date of redemption) on the notes being redeemed, discounted to the redemption date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate, as defined, plus 37.5 basis points		equal to the greater of 100 percent of the principal amount of the notes being redeemed or the sum of the present values of the remaining scheduled payments of the principal and interest (other than interest accruing to the date of redemption) on the notes being redeemed, discounted to the redemption date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate, as defined, plus 25 basis points										equal to the greater of 100 percent of the principal amount of the notes being redeemed or the sum of the present values of the remaining scheduled payments of the principal and interest (other than interest accruing to the date of redemption) on the notes being redeemed, discounted to the redemption date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate, as defined, plus 35basis points
Required price to repurchase notes							equal to 101 percent of the aggregate principal amount of the notes repurchased, plus accrued interest on the notes repurchased to the date of repurchase.			equal to 101 percent of the aggregate principal amount of the notes repurchased, plus accrued interest on the notes repurchased to the date of repurchase.		equal to 101 percent of the aggregate principal amount of the notes repurchased, plus accrued interest on the notes repurchased to the date of repurchase.										equal to 101 percent of the aggregate principal amount of the notes repurchased, plus accrued interest on the notes repurchased to the date of repurchase.
Debt issuance costs and discounts				4.1			5.0			4.1		5.5										4.8
Total period for amortization of debt issuance costs				10 years
Period of redemption of fixed rate debt					10 years
Interest rate on convertible debentures				5.00%			5.95%			6.375%		4.40%			7.00%					6.35%		6.15%
Percentage of principal amount of notes for calculation of "make-whole" redemption price				100.00%			100.00%			100.00%		100.00%										100.00%
Offered repurchase price of notes in percentage of aggregate principal amount of notes							101.00%			101.00%		101.00%										101.00%
Basis points in addition to treasury rate defined for redemption				15			30			37.5		25										35
Loss net of income tax, in shareholders' equity as a component of accumulated other comprehensive income							5.5
Original principal amount of debentures issued																				150
Repurchased and retire principal amount of debentures																			25.0
Redemption of debentures																25.8		99.2
Long Term Debt Additional (Textuals) [Abstract]
Potential maturities of long-term debt in fiscal 2012	4.9
Potential maturities of long-term debt in fiscal 2013	7.8
Potential maturities of long-term debt in fiscal 2014	3.6
Potential maturities of long-term debt in fiscal 2015	0
Potential maturities of long-term debt in fiscal 2016	300.0
Potential maturities of long-term debt thereafter	$ 1,575.8