Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 30, 2013	Jun. 29, 2013	Jun. 30, 2012	Jun. 25, 2011	Dec. 29, 2012	Jan. 06, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unrealized gain (loss) on ARS		$ 2.2
Foreign Currency Transaction Loss, before Tax	0.8
Liabilities:
Auction rate securities total par value					18.0
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High						2.0
Proceeds from sale of securities		8.6	0	0.6
Losses on sales of investments	1.6	4.7	0	0
Gain (Loss) on Sale of Securities, Net	0.8
Business Acquisition Contingent Consideration, Additional Consideration						5.0
Reported Value Measurement [Member] | Senior notes [Member] | Note Agreement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed rate long-term debt		1,561.9	965.0
Estimate of Fair Value Measurement [Member] | Senior notes [Member] | Note Agreement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed rate long-term debt		1,541.8	1,050.3
Estimate of Fair Value Measurement [Member]
Assets:
Cash equivalents		697.7	479.5
Investment securities			6.5
Funds associated with Israeli post employment benefits		16.1	15.0
Foreign currency forward contracts, net		7.6
Total		721.4	501.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability		22.2	2.9
Liabilities:
Derivative Financial Instruments, Liabilities, Fair Value Disclosure		10.8	14.7
Foreign Currency Forward Contracts Net			5.6
Total		33.0	23.2
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash equivalents		697.7	479.5
Investment securities			0
Funds associated with Israeli post employment benefits		0	0
Foreign currency forward contracts, net		0
Total		697.7	479.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability		0	0
Liabilities:
Derivative Financial Instruments, Liabilities, Fair Value Disclosure		0	0
Foreign Currency Forward Contracts Net			0
Total		0	0
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash equivalents		0	0
Investment securities			0
Funds associated with Israeli post employment benefits		16.1	15.0
Foreign currency forward contracts, net		7.6
Total		23.7	15.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability		0	0
Liabilities:
Derivative Financial Instruments, Liabilities, Fair Value Disclosure		10.8	14.7
Foreign Currency Forward Contracts Net			5.6
Total		10.8	20.3
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unrealized gain (loss) on ARS			(1.0)	3.1
Assets:
Cash equivalents		0	0
Investment securities			6.5
Funds associated with Israeli post employment benefits		0	0
Foreign currency forward contracts, net		0
Total		0	6.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability		22.2	2.9
Liabilities:
Derivative Financial Instruments, Liabilities, Fair Value Disclosure		0	0
Foreign Currency Forward Contracts Net			0
Total		22.2	2.9
CanAm Care, LLC. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unrealized gain (loss) on ARS		$ 0