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Goodwill and Other Intangible Assets, net
 12 Months Ended
Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets, net Goodwill and Other Intangible Assets, net
Goodwill
For each of the years ended June 30, 2025 and June 30, 2024, we have not recorded any goodwill impairments. Changes in the carrying amount of goodwill is comprised of the following for the year ended June 30, 2025 (in thousands):
2025
Sleep and Breathing Health
Residential Care Software
Total
Balance at the beginning of the period$757,529 $2,084,526 $2,842,055 
Business acquisitions101,323 — 101,323 
Adjustment to fair values of preliminary purchase price allocations(185)— (185)
Foreign currency translation adjustments24,911 78,576 103,487 
Balance at the end of the period$883,578 $2,163,102 $3,046,680 
Other Intangible Assets
Other intangibles, net are comprised of the following as of June 30, 2025 and June 30, 2024 (in thousands):
20252024
Developed/core product technology$396,242 $384,679 
Accumulated amortization(315,032)(280,970)
Developed/core product technology, net81,210 103,709 
Customer relationships475,541 432,470 
Accumulated amortization(189,050)(150,486)
Customer relationships, net286,491 281,984 
Other intangibles267,499 252,210 
Accumulated amortization(170,339)(151,999)
Other intangibles, net97,160 100,211 
Total other intangibles, net$464,861 $485,904 
Intangible assets consist of developed/core product technology, trade names, non-compete agreements, customer relationships, and patents, and we amortize them over the estimated useful life of the assets, generally between two years and fifteen years. There are no expected residual values related to these intangible assets.
Amortization expense related to identified intangible assets for the years ended June 30, 2025 and June 30, 2024 was $77.4 million and $79.5 million, respectively. Amortization expense related to patents, included in other intangibles, for the years ended June 30, 2025 and June 30, 2024 was $8.2 million and $7.6 million, respectively. Total estimated annual amortization expense for the years ending June 30, 2026 through June 30, 2030, is shown below (in thousands):
Fiscal Years Ending June 30
20262027202820292030
Estimated amortization expense$84,859 $65,853 $57,248 $50,983 $45,795