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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
May 26, 2013
Accounting Policies [Abstract]  
Property plant and equipment estimated useful lives of respective classes of assets
Depreciation has been calculated using the straight-line method over the estimated useful lives of the respective classes of assets as follows:
 
 
 
Land improvements
  
1 - 40 years 
Buildings
  
15 - 40 years
Machinery and equipment
  
3 - 20 years 
Furniture, fixtures, office equipment and other
  
5 - 15 years 
Impacts adjustments made to financial statements
Balances in accumulated other comprehensive income (loss), net of tax
The following is a rollforward of the balances in accumulated other comprehensive income (loss), net of tax (except for currency translation adjustment):
 
Currency
Translation
Adjustment,
Net of
Reclassification
Adjustments
 
Net
Derivative
Adjustment, Net
of  Reclassification
Adjustments
 
Unrealized
Gain (Loss) on
Available-
For-Sale
Securities, Net
of
Reclassification
Adjustments
 
Pension and
Postretirement
Adjustments
 
Accumulated
Other
Comprehensive
Income (Loss)
Balance at May 30, 2010
$
48.9

 
$
(1.0
)
 
$
(1.2
)
 
$
(199.9
)
 
$
(153.2
)
Current-period change
45.7

 
(7.2
)
 
(0.1
)
 
23.6

 
62.0

Balance at May 29, 2011
94.6

 
(8.2
)
 
(1.3
)
 
(176.3
)
 
(91.2
)
Current-period change
(52.0
)
 
(89.1
)
 
(0.1
)
 
(66.7
)
 
(207.9
)
Balance at May 27, 2012
42.6

 
(97.3
)
 
(1.4
)
 
(243.0
)
 
(299.1
)
Current-period change
2.8

 
32.8

 
0.2

 
67.2

 
103.0

Balance at May 26, 2013
$
45.4

 
$
(64.5
)
 
$
(1.2
)
 
$
(175.8
)
 
$
(196.1
)
Income tax expense benefit on components of other comprehensive income loss
The following details the income tax expense (benefit) on components of other comprehensive income (loss):
 
2013
 
2012
 
2011
Net derivative adjustment
$
19.3

 
$
(52.7
)
 
$
(4.2
)
Unrealized gains (losses) on available-for-sale securities
0.1

 
(0.1
)
 
(0.1
)
Pension and postretirement healthcare liabilities
42.0

 
(35.4
)
 
15.8

 
$
61.4

 
$
(88.2
)
 
$
11.5