Derivative Financial Instruments and Hedging Activities 2 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 29, 2012	Jul. 27, 2011
Foreign Exchange Contract [Member]
Cash flow hedges:
Net gains recognized in other comprehensive loss (effective portion)	$ 4,889	$ 7,386
Net gains/(losses) reclassified from other comprehensive loss into earnings (effective portion):
Sales	1,746	2,104
Cost of products sold	(1,368)	(5,588)
Selling, general and administrative expenses	(148)	123
Other (expense)/income, net	7,300	5,150
Interest income/(expense)	(50)	107
Total	7,480	1,896
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	(1,675)
Total amount recognized in statement of income	5,805	(6,967)
Interest Rate Contract [Member]
Cash flow hedges:
Net gains recognized in other comprehensive loss (effective portion)	0	0
Net gains/(losses) reclassified from other comprehensive loss into earnings (effective portion):
Sales	0	0
Cost of products sold	0	0
Selling, general and administrative expenses	0	0
Other (expense)/income, net	0	0
Interest income/(expense)	(59)	0
Total	(59)	0
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	193
Total amount recognized in statement of income	4,768	(13,123)
Cross Currency Interest Rate Contract [Member]
Cash flow hedges:
Net gains recognized in other comprehensive loss (effective portion)	5,123	18,329
Net gains/(losses) reclassified from other comprehensive loss into earnings (effective portion):
Sales	0	0
Cost of products sold	0	0
Selling, general and administrative expenses	0	0
Other (expense)/income, net	8,917	20,264
Interest income/(expense)	(1,452)	(1,506)
Total	7,465	18,758
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	0
Total amount recognized in statement of income	7,465	18,758
Other Expense [Member] | Foreign Exchange Contract [Member]
Net gains/(losses) reclassified from other comprehensive loss into earnings (effective portion):
Gain (Loss) on Fair Value Hedges Recognized in Earnings	0	0
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	(1,675)	(8,863)
Other Expense [Member] | Interest Rate Contract [Member]
Net gains/(losses) reclassified from other comprehensive loss into earnings (effective portion):
Gain (Loss) on Fair Value Hedges Recognized in Earnings	4,634	(13,123)
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	0	0
Other Expense [Member] | Cross Currency Interest Rate Contract [Member]
Net gains/(losses) reclassified from other comprehensive loss into earnings (effective portion):
Gain (Loss) on Fair Value Hedges Recognized in Earnings	0	0
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	0	0
Interest Income [Member] | Foreign Exchange Contract [Member]
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	0
Interest Income [Member] | Interest Rate Contract [Member]
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	193
Interest Income [Member] | Cross Currency Interest Rate Contract [Member]
Derivatives not designated as hedging instruments:
Net (losses) gains recognized in other expense, net	$ 0