Significant Accounting Policies (Tables)

12 Months Ended

May 31, 2013

Accounting Policies [Abstract]

Schedule of inventory

Inventory is comprised of the following amounts:

(In thousands)	2013		2012
Raw materials	$	19,800	$	19,138
Work in process	17,353		13,052
Finished goods	203,287		219,015
	$	240,440	$	251,205

Estimated useful lives

Depreciation is calculated using the straight-line method primarily over the following estimated useful lives of the assets based on industry and company specific experience, in years:

Buildings	30 to 40
Building improvements	5 to 20
Equipment	3 to 10
Leasehold improvements	2 to 15

(In thousands)	2013		2012
Land	$	112,311	$	108,176
Buildings and improvements	512,717		497,249
Equipment	1,631,213		1,478,270
Leasehold improvements	27,543		25,502
Construction in progress	58,463		62,370
	2,342,247		2,171,567
Less: accumulated depreciation	1,355,544		1,218,980
	$	986,703	$	952,587

Current accrued liabilities

Current accrued liabilities include the following amounts:

(In thousands)	2013		2012
General insurance liabilities	$	96,930	$	82,611
Employee benefit related liabilities	59,221		56,134
Taxes and related liabilities	7,776		8,523
Accrued interest	26,816		29,523
Other	81,078		84,651
	$	271,821	$	261,442