Income Taxes (Taxing Jurisdictions) (Details)	12 Months Ended
	Jun. 30, 2021
Earliest Tax Year | Illinois
Income Tax Examination [Line Items]
Income tax examination, year under examination	2017
Earliest Tax Year | Massachusetts
Income Tax Examination [Line Items]
Income tax examination, year under examination	2013
Earliest Tax Year | Texas
Income Tax Examination [Line Items]
Income tax examination, year under examination	2016
Earliest Tax Year | Michigan
Income Tax Examination [Line Items]
Income tax examination, year under examination	2012
Earliest Tax Year | New York State
Income Tax Examination [Line Items]
Income tax examination, year under examination	2016
Earliest Tax Year | New York City
Income Tax Examination [Line Items]
Income tax examination, year under examination	2016
Earliest Tax Year | India
Income Tax Examination [Line Items]
Income tax examination, year under examination	2004
Latest Tax Year | Illinois
Income Tax Examination [Line Items]
Income tax examination, year under examination	2018
Latest Tax Year | Massachusetts
Income Tax Examination [Line Items]
Income tax examination, year under examination	2018
Latest Tax Year | Texas
Income Tax Examination [Line Items]
Income tax examination, year under examination	2018
Latest Tax Year | Michigan
Income Tax Examination [Line Items]
Income tax examination, year under examination	2018
Latest Tax Year | New York State
Income Tax Examination [Line Items]
Income tax examination, year under examination	2018
Latest Tax Year | New York City
Income Tax Examination [Line Items]
Income tax examination, year under examination	2017
Latest Tax Year | India
Income Tax Examination [Line Items]
Income tax examination, year under examination	2018