Segment and Geographic Data - Net Sales Information by Geographic Area and Product (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 6,568,272	$ 6,471,471	$ 6,499,405
Consumable
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	5,274,012	5,147,330	5,248,040
Equipment
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	888,597	950,403	920,424
Value Added Services and Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	405,663	373,738	330,941
Dental
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	2,488,634	2,492,142	2,516,132
Dental | Consumable
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,415,789	1,358,823	1,424,677
Dental | Equipment
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	766,345	823,978	800,144
Dental | Value Added Services and Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	306,500	309,341	291,311
Animal Health
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	4,067,069	3,964,922	3,982,874
Animal Health | Consumable
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	3,858,223	3,788,507	3,823,363
Animal Health | Equipment
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	122,252	126,425	120,280
Animal Health | Value Added Services and Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	86,594	49,990	39,231
Corporate
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	12,569	14,407	399
Corporate | Value Added Services and Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	12,569	14,407	399
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	5,438,727	5,423,931	5,358,489
United States | Dental
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	2,260,198	2,256,006	2,259,579
United States | Animal Health
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	3,165,960	3,153,518	3,098,511
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	759,184	655,103	717,481
United Kingdom | Animal Health
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	759,184	655,103	717,481
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	370,361	392,437	423,435
Canada | Dental
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	228,436	236,136	256,553
Canada | Animal Health
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 141,925	$ 156,301	$ 166,882