INCOME TAXES (Tables)

12 Months Ended

Sep. 30, 2020

Income Tax Disclosure [Abstract]

Provision for Income Taxes

The income tax (benefit) provision consisted of the following:

	2020		2019		2018
Current:
Federal	$	(12,354)	$	3,308	$	(2,577)
State	(1,030)		2,232		1,051
Foreign	11,306		2,049		15,533
	(2,078)		7,589		14,007
Deferred:
Federal	4,710		(5,472)		(24,094)
State	2,880		(2,782)		1,315
Foreign	(24,197)		1,471		(346)
	(16,607)		(6,783)		(23,125)
Total	$	(18,685)	$	806	$	(9,118)

Reconciliation of Federal Statutory Tax Rate to Consolidated Effective Tax Rate

The reconciliation of the federal statutory tax rate to the consolidated effective tax rate was as follows:

	2020		2019		2018
Federal statutory tax rate	21.0	%	21.0	%	24.5	%
Effect of state income taxes, net of federal deduction	(1.9)	%	2.7	%	2.2	%
Foreign statutory taxes compared to federal statutory rate	3.4	%	(0.8)	%	1.4	%
Share-based compensation	(1.4)	%	(3.1)	%	(0.6)	%
U.S. manufacturing incentive	—	%	—	%	(1.3)	%
Tax credits	1.8	%	4.9	%	(2.7)	%
Tax basis difference	—	%	9.8	%	(1.5)	%
Transition tax	—	%	—	%	9.0	%
U.S. statutory tax rate change on temporary differences	—	%	—	%	(38.7)	%
Goodwill write-down	(9.4)	%	(40.2)	%	—	%
Tax rate differential on net operating loss carryback	4.2	%	—	%	—	%
Other	(0.1)	%	3.6	%	(1.6)	%
Effective tax rate	17.6	%	(2.1)	%	(9.3)	%

Deferred Tax Assets and Liabilities

The components of deferred tax assets and liabilities at September 30, 2020 and 2019 are as follows:

	2020		2019
Deferred tax assets:
Pension and postretirement benefits	$	39,705	$	37,587
Accruals and reserves not currently deductible	12,258		10,400
Income tax credit carryforward	5,308		3,204
Operating and capital loss carryforwards	34,146		21,896
Stock options	4,062		4,778
Other	8,376		5,381
Total deferred tax assets	103,855		83,246
Valuation allowances	(22,527)		(15,352)
Net deferred tax assets	81,328		67,894
Deferred tax liabilities:
Depreciation	(27,671)		(24,792)
Unrealized gains and losses	389		(565)
Goodwill and intangible assets	(123,259)		(138,952)
Other	(5,941)		(1,035)
Total deferred tax liabilities	(156,482)		(165,344)
Net deferred tax liability	$	(75,154)	$	(97,450)

Changes in Gross Unrecognized Tax Benefits

Changes in the total amount of gross unrecognized tax benefits (excluding penalties and interest) are as follows:

	2020		2019		2018
Balance, beginning of year	$	15,526	$	14,827	$	7,968
Increases for tax positions of prior years	500		—		7,886
Decreases for tax positions of prior years	(2,727)		—		—
Increases based on tax positions related to the current year	939		1,420		882
Decreases due to lapse of statute of limitation	(3,755)		(721)		(1,909)
Balance, end of year	$	10,483	$	15,526	$	14,827

Summary of Income Tax Contingencies

As of September 30, 2020, the tax years that remain subject to examination by major jurisdiction generally are:

United States - Federal	2017 and forward
United States - State	2016 and forward
Canada	2016 and forward
Germany	2019 and forward
United Kingdom	2019 and forward
Australia	2015 and forward
Singapore	2016 and forward