Sales Information by Product (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Apr. 28, 2012
|
Jan. 28, 2012
|
Oct. 29, 2011
|
Jul. 30, 2011
|
Apr. 30, 2011
|
Jan. 29, 2011
|
Oct. 30, 2010
|
Jul. 31, 2010
|
Apr. 28, 2012
|
Apr. 30, 2011
|
Apr. 24, 2010
|
|
Segment Reporting Information [Line Items] | |||||||||||
Net sales | $ 936,334 | $ 895,030 | $ 856,875 | $ 847,422 | $ 883,819 | $ 824,650 | $ 857,414 | $ 849,787 | $ 3,535,661 | $ 3,415,670 | $ 3,237,376 |
Consumable and printed products
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 2,312,309 | 2,232,876 | 2,124,558 | ||||||||
Equipment and software
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 930,601 | 900,846 | 839,436 | ||||||||
Other
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 292,751 | 281,948 | 273,382 | ||||||||
Dental Supply
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 2,287,875 | 2,236,056 | 2,167,495 | ||||||||
Dental Supply | Consumable and printed products
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 1,263,515 | 1,253,224 | 1,214,796 | ||||||||
Dental Supply | Equipment and software
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 768,633 | 734,749 | 709,468 | ||||||||
Dental Supply | Other
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 255,727 | 248,083 | 243,231 | ||||||||
Rehabilitation Supply
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 513,340 | 504,734 | 426,297 | ||||||||
Rehabilitation Supply | Consumable and printed products
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 363,003 | 348,641 | 303,044 | ||||||||
Rehabilitation Supply | Equipment and software
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 123,650 | 131,776 | 100,583 | ||||||||
Rehabilitation Supply | Other
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 26,687 | 24,317 | 22,670 | ||||||||
Veterinary Supply
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 734,446 | 674,880 | 643,584 | ||||||||
Veterinary Supply | Consumable and printed products
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 685,790 | 631,011 | 606,718 | ||||||||
Veterinary Supply | Equipment and software
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | 38,319 | 34,321 | 29,385 | ||||||||
Veterinary Supply | Other
|
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Segment Reporting Information [Line Items] | |||||||||||
Net sales | $ 10,337 | $ 9,548 | $ 7,481 |