Business Combinations Textuals (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016	Jan. 31, 2018	Jul. 03, 2017	Mar. 03, 2017	Jun. 14, 2016
Business Acquisition [Line Items]
Goodwill	$ 646,643	$ 206,135	$ 202,700
Other Liabilities [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments	283
Other Current Liabilities [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments	2,592
Other Noncurrent Liabilities [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments	415
Revolving Credit Facility [Member]
Business Acquisition [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	250,000
Long-term Debt [Member]
Business Acquisition [Line Items]
Debt Instrument, Face Amount	780,000
FCX Performance, Inc [Member] [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired				100.00%
Total Consideration	781,781
Business Acquisition, Goodwill, Expected Tax Deductible Amount	160,814
Business Combination, Acquisition Related Costs	2,849
Goodwill	439,164
DICOFASA [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired					100.00%
Total Consideration	5,920
Net tangible assets acquired					$ 3,395
Intangible Assets, Net (Including Goodwill)					2,525
Funding from Holdback Payments					$ 906
Debt Instrument, Interest Rate, Stated Percentage					1.50%
DICOFASA [Member] | Other Liabilities [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments	842
Sentinel Fluid Controls [Member]
Business Acquisition [Line Items]
Total Consideration		3,755
Net tangible assets acquired						$ 3,130
Goodwill						625
Funding from Holdback Payments	328	175				$ 982
Sentinel Fluid Controls [Member] | Other Liabilities [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments	479
Sentinel Fluid Controls [Member] | Other Noncurrent Liabilities [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments	75
Seals Unlimited [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired							100.00%
FY2016 Acquisitions Atlantic Fasteners, SG Morris, HUB, & Seals [Member]
Business Acquisition [Line Items]
Total Consideration			65,900
Net tangible assets acquired			22,700
Intangible Assets, Net (Including Goodwill)			43,200
FY2016 Acquisition Atlantic Fasteners & SG Morris [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments			$ 3,300
FY 2016 Acquisition Atlantic Fasteners [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments		$ 1,250
FY2016 Acquisition SG Morris [Member] | Other Current Liabilities [Member]
Business Acquisition [Line Items]
Funding from Holdback Payments	$ 2,050