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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Tax Contingency [Line Items]
Income tax benefit	$ (28.5)	$ (1.7)
Approximate rate on pre-tax income	65.20%	7.60%
Income tax net benefit related to CARES Act	$ 20.0
Increase in uncertain tax benefit accrual, CARES Act	$ 14.3
State | New Jersey | Earliest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2013
State | New Jersey | Latest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2017
State | New York | Earliest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2014
State | New York | Latest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2016
State | Massachusetts | Earliest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2014
State | Massachusetts | Latest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2016
Foreign | Germany | Earliest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2013
Foreign | Germany | Latest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2015
Foreign | Switzerland | Earliest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2015
Foreign | Switzerland | Latest tax year
Income Tax Contingency [Line Items]
Tax year being audited in income tax examination	2016

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