REDEMPTION OF NONCONTROLLING INTERESTS Redemption of Noncontrolling Interests (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
May 02, 2010	May 03, 2009
Redeemable Noncontrolling Interest [Line Items]
Adjustment for redeemable noncontrolling interests	$ (19.4)
Premium Pet Health [Member]
Redeemable Noncontrolling Interest [Line Items]
Ownership Percentage of Redeemable Noncontrolling Interst Prior to Purchase		51.00%
Noncontrolling Interest, Change in Redemption Value	32.2
Adjustment for redeemable noncontrolling interests	(19.4)
Increase (Decrease) to Deferred Income Tax Assets, Redeemable Noncontrolling Interest	(12.8)
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		49.00%
Payments for Repurchase of Redeemable Noncontrolling Interest	$ 38.9

Change in additional paid In capital as a result of adjustments to redeemable noncontrolling interest.

No definition available.

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The increase (decrease) to deferred income tax assets as the result of an adjustment to the value of redeemable noncontrolling interest.

No definition available.

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Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

No definition available.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

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The cash outflow during the period for redemption of redeemable noncontrolling interests.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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