Fair Value of Financial Instruments (Tables)

6 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of derivative instruments

The following table summarizes the notional principal amounts at March 31, 2018, and September 30, 2017 of our outstanding interest rate swap agreement discussed above (in thousands).

	Derivative Notional
	March 31, 2018		September 30, 2017
Instruments designated as accounting hedges:
Interest rate swap contract	$	325,000	$	375,000

Schedule of derivative instruments in statement of financial position, fair value

The following table provides the location and fair value amounts of our financial instrument, which is reported in our consolidated balance sheets as of March 31, 2018 and September 30, 2017 (in thousands).

		Fair Value
	Balance Sheet Locations	March 31, 2018		September 30, 2017
Instrument designated as accounting hedge:
Interest rate swap contract	Other current assets	$	300	$	—
Interest rate swap contract	Other assets	400		—
Interest rate swap contract	Accrued expenses and other current liabilities	—		2,462
Interest rate swap contract	Other liabilities	—		903

Derivative instruments, gain (loss)

The following table provides the losses of our cash flow hedging instruments (net of income tax benefit), which were transferred from AOCI to interest expense on our consolidated statement of comprehensive income during the three and six months ended March 31, 2018 and 2017 (in thousands).

	Location in Consolidated Statement of Comprehensive Income	Three Months Ended   March 31,				Six Months Ended   March 31,
Cash Flow Hedge		2018		2017		2018		2017
Interest rate swap contracts	Interest expense, net	$	304	$	137	$	861	$	389

The following table provides the effective portion of the amount of gain recognized in other comprehensive income (net of income taxes) for the three and six months ended March 31, 2018 and 2017 (in thousands).

	Three Months Ended   March 31,				Six Months Ended   March 31,
Cash Flow Hedge	2018		2017		2018		2017
Interest rate swap contracts	$	1,461	$	268	$	2,832	$	2,450

The following table provides the pretax effect of our derivative instruments not designated as hedging instruments on our consolidated statements of earnings and comprehensive income for the three and six months ended March 31, 2018 and 2017 (in thousands).

	Location in Consolidated Statement of Comprehensive Income	Three Months Ended   March 31,				Six Months Ended   March 31,
Instruments Not Designated As Hedging Instruments
		2018		2017		2018		2017
Foreign currency forward contracts	Other income (loss), net	$	—	$	752	$	—	$	(1,843	)

Schedule of accumulated other comprehensive income (loss)

The following table provides a summary of changes to our AOCI related to our cash flow hedging instrument (net of income taxes) during the three and six months ended March 31, 2018 (in thousands).

AOCI - Unrealized Gain (Loss) on Hedging Instruments	Three Months Ended March 31, 2018			Six Months Ended March 31, 2018
Balance at beginning of period	$	(763	)	$	(2,133	)
Change in fair value of hedging instruments	1,157			1,970
Amounts reclassified to earnings	304			861
Net current period other comprehensive income	1,461			2,831
Balance at end of period	$	698		$	698

Schedule of carrying values and estimated fair values of debt instruments

The principal amounts and fair values of the debt instruments were as follows (in thousands):

	March 31, 2018				September 30, 2017
	Principal Amount		Fair Value		Principal Amount		Fair Value
Term loan A facility	$	370,000	$	367,410	$	380,000	$	376,960
Term loan B facility	440,562		429,989		440,562		428,667
Revolving facility	81,000		81,000		55,000		55,000
Total long-term debt	$	891,562	$	878,399	$	875,562	$	860,627

Schedule of fair value, assets and liabilities measured on recurring basis

The following tables provide the valuation hierarchy classification of assets and liabilities that are carried at fair value and measured on a recurring basis in our consolidated balance sheets as of March 31, 2018 and September 30, 2017 (in thousands).

March 31, 2018	Balance Sheet Locations	Total		Level 1		Level 2		Level 3
Instrument designated as accounting hedge:
Interest rate swap contract	Other current assets	$	300	$	—	$	300	$	—
Interest rate swap contract	Other assets	400		—		400		—

September 30, 2017	Balance Sheet Locations	Total		Level 1		Level 2		Level 3
Instrument designated as accounting hedge:
Interest rate swap contract	Accrued expenses and other current liabilities	$	2,462	$	—	$	2,462	$	—
Interest rate swap contract	Other liabilities	903		—		903		—