Acquisitions, Goodwill, and Other Intangible Assets (Details) - USD ($) $ in Thousands					9 Months Ended
	Mar. 01, 2017	Oct. 03, 2016	Feb. 10, 2016	Jan. 19, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired					$ 184,600	$ 67,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Fair value of contingent consideration					15,900		$ 5,200
Goodwill					472,600		$ 389,200
ExecuPharm Inc. [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 148,500
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		20,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash paid, net of cash acquired		148,900
Fair value of contingent consideration		9,400			11,900
Net purchase price			$ 167,200
Accounts receivable		29,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets		100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		900
Definite-lived intangible assets		87,100			87,100
Goodwill		58,600
Total assets acquired		175,900
Total liabilities assumed		8,700
Net assets acquired:		167,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities		8,700
ExecuPharm Inc. [Member] | Customer relationships
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Definite-lived intangible assets					$ 85,500
Estimated Useful Life (Years)					15 years
ExecuPharm Inc. [Member] | Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Definite-lived intangible assets		$ 1,600
Estimated Useful Life (Years)		2 years
TMAC [Member] [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 36,300
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	11,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash paid, net of cash acquired	37,700
Fair value of contingent consideration	2,100
Net purchase price	38,400
Accounts receivable	4,700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets	100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	300
Definite-lived intangible assets	10,200				$ 10,200
Goodwill	25,800
Total assets acquired	41,100
Total liabilities assumed	2,700
Net assets acquired:	38,400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	$ 2,700
TMAC [Member] [Member] | Customer relationships
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Definite-lived intangible assets					$ 7,500
Estimated Useful Life (Years)					10 years
TMAC [Member] [Member] | Order or Production Backlog [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Definite-lived intangible assets				$ 2,000
Estimated Useful Life (Years)				1 year
TMAC [Member] [Member] | Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Definite-lived intangible assets					$ 700
Estimated Useful Life (Years)					3 years
Health Advances Acquisition [Member]
Business Acquisition [Line Items]
Business Combination, Receivable from Working Capital Adjustment					$ 200
Payments to Acquire Businesses, Net of Cash Acquired			67,100	$ 67,100
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High				15,800
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Fair value of contingent consideration					4,500
Net purchase price			$ 71,600
Accounts receivable					4,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets					700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					1,000
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets				200
Definite-lived intangible assets				15,000	15,000
Goodwill				52,500
Total assets acquired					73,400
Total liabilities assumed					1,800
Net assets acquired:					71,600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities					1,800
Health Advances Acquisition [Member] | Customer relationships
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Definite-lived intangible assets					$ 11,600
Estimated Useful Life (Years)					10 years
Health Advances Acquisition [Member] | Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Definite-lived intangible assets				$ 1,600
Estimated Useful Life (Years)				5 years
Payment Deferral [Member] | ExecuPharm Inc. [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Fair value of contingent consideration		$ 9,300