Leases (Annual Future Lease Commitments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
May 27, 2012	May 29, 2011
Leases [Abstract]
Capital lease, 2013	$ 5.2
Capital lease, 2014	5.4
Capital lease, 2015	5.5
Capital lease, 2016	5.6
Capital lease, 2017	5.8
Capital lease, Thereafter	67.2
Capital lease, Total future lease commitments	94.7
Capital lease, Less imputed interest (at 6.5%)	(38.7)
Capital lease, Present value of future lease commitments	56.0
Capital lease, Less current maturities	(1.6)
Capital lease, Obligations under capital leases, net of current maturities	54.4	56.0
Operating lease, 2013	151.5
Operating lease, 2014	142.0
Operating lease, 2015	130.0
Operating lease, 2016	114.5
Operating lease, 2017	96.3
Operating lease, Thereafter	302.5
Operating lease, Total future lease commitments	$ 936.8
Capital lease, imputed interest (percentage)	6.50%

Capital lease imputed interest rate.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date.

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-Name Accounting Standards Codification

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-Publisher SEC

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-Number 210

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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- Definition

The total of contractually required rental payments on leases meeting the criteria for capitalization.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within one year of the balance sheet date.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the fifth year from the balance sheet date.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the fourth year from the balance sheet date.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the third year from the balance sheet date.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the second year from the balance sheet date.

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Contractually required rental payments due on leases meeting the criteria for capitalization, after the fifth year from the balance sheet date.

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- Definition

Amount necessary to reduce net minimum lease payments to present value calculated at the lesser of the interest rate implicit in the lease (if known) or the entity's incremental borrowing rate (as defined) at inception of the lease.

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The discounted value of future cash flows under leases meeting the criteria for capitalization.

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The total of future contractually required payments on leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating.

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