Goodwill and Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Finite-Lived and Indefinite-Lived Intangible Assets [Table Text Block]

Information regarding our intangible assets is as follows:



	2019				2018
March 31,	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	623,774	$	189,752	$	663,532	$	150,358
Non-compete agreements	4,693		3,945		4,738		3,790
Patents and technology	226,520		126,149		226,318		107,598
Trademarks and tradenames	63,570		38,850		83,509		36,864
Supplier relationships	54,800		10,047		54,800		7,307
Other	—		—		10		10
Total	$	973,357	$	368,743	$	1,032,907	$	305,927

Schedule of Goodwill [Table Text Block]

Changes to the carrying amount of goodwill for the years ended March 31, 2019, 2018 and 2017 were as follows:



	Healthcare Products Segment			Healthcare Specialty Services Segment			Life Sciences Segment			Applied Sterilization Technologies Segment			Total
Balance at March 31, 2017	377,765			375,879			146,514			1,331,145			2,231,303
Goodwill acquired or allocated	16,418			3,501			—			15,847			35,766
Reassignment	—			(1,855		)	—			1,855			—
Foreign currency translation adjustments	10,491			10,500			2,302			143,422			166,715
Balance at March 31, 2018	$	404,674		$	388,025		$	148,816		$	1,492,269		$	2,433,784
Goodwill acquired or allocated	(1,202		)	(907		)	—			5,341			3,232
Foreign currency translation adjustments	(6,188		)	(12,208		)	(1,021		)	(94,671		)	(114,088		)
Balance at March 31, 2019	$	397,284		$	374,910		$	147,795		$	1,402,939		$	2,322,928

Schedule of Expected Amortization Expense

Based upon the current amount of intangible assets subject to amortization, the amortization expense for each of the five succeeding fiscal years is estimated to be as follows:



	2020		2021		2022		2023		2024
Estimated amortization expense	$	71,917	$	66,716	$	63,853	$	58,412	$	52,452