INCOME TAXES	9 Months Ended
	Jun. 30, 2021
Income Tax Disclosure [Abstract]
INCOME TAXES	INCOME TAXESDuring the quarter ended June 30, 2021, the Company recognized a tax provision of $12,366 on Income before taxes of $29,073, compared to a tax provision of $12,649 on Income before taxes of $34,480 in the comparable prior year quarter. The current year quarter results included restructuring charges of $4,082 ($3,129, net of tax) and discrete and certain other tax provisions, net, that affect comparability of $2,979, primarily due to the impact of UK tax rate changes on deferred liabilities. The prior year quarter results included restructuring charges of $1,633 ($1,224, net of tax), loss from debt extinguishment of $1,235 ($969, net of tax) and discrete tax and certain other tax provisions, net, that affect comparability of $1,828. Excluding these items, the effective tax rates for the quarters ended June 30, 2021 and 2020 were 31.2% and 30.8%, respectively.During the nine months ended June 30, 2021, the Company recognized a tax provision of $32,783 on Income before taxes of $96,102, compared to a tax provision of $21,022 on Income before taxes of $54,360 in the comparable prior year period. The nine month period ended June 30, 2021 included restructuring charges of $22,444 ($17,080, net of tax), gain on sale of the SEG business of $5,291 ($5,251, net of tax) and discrete and certain other tax provisions, net, that affect comparability of $2,864, primarily due to the impact of UK tax rate changes on deferred liabilities. The nine month period ended June 30, 2020 included restructuring charges of $11,171 ($8,377, net of tax), acquisition costs of $2,960 ($2,321, net of tax), loss from debt extinguishment of $7,925 ($6,214, net of tax) and discrete tax and certain other tax provisions, net, that affect comparability of $1,248. Excluding these items, the effective tax rates for the nine months ended June 30, 2021 and 2020 were 31.1% and 32.6%, respectively.