Supplementary Financial Data (Unaudited)

12 Months Ended

Sep. 30, 2020

Quarterly Financial Information Disclosure [Abstract]

Supplementary Financial Data (Unaudited)

The following table presents selected unaudited consolidated financial results for each of the eight quarters in the two-year period ended September 30, 2020. In the opinion of management, this unaudited information has been prepared on the same basis as the audited information and includes all adjustments (consisting of only normal recurring adjustments, except as noted below) necessary for a fair statement of the consolidated financial information for the period presented.



	Quarter Ended
	September 30, 2020		June 30, 2020		March 31, 2020		December 31, 2019
	(In thousands, except per share data)
Revenues	$	374,356	$	313,731	$	307,971	$	298,504
Cost of revenues (1)	93,676		88,569		88,139		90,758
Gross profit	280,680		225,162		219,832		207,746
Net income	$	59,126	$	64,076	$	58,288	$	54,921
Earnings per share (2):
Basic	$	2.04	$	2.21	$	2.00	$	1.89
Diluted	$	1.98	$	2.15	$	1.94	$	1.82
Shares used in computing earnings per share:
Basic	29,045		29,005		29,194		29,025
Diluted	29,833		29,744		29,985		30,169



	Quarter Ended
	September 30, 2019		June 30, 2019		March 31, 2019		December 31, 2018
	(In thousands, except per share data)
Revenues	$	305,344	$	314,249	$	278,234	$	262,256
Cost of revenues (1)	87,996		87,215		85,568		76,066
Gross profit	217,348		227,034		192,666		186,190
Net income	$	54,584	$	64,152	$	33,381	$	40,007
Earnings per share (2):
Basic	$	1.89	$	2.21	$	1.15	$	1.38
Diluted	$	1.80	$	2.12	$	1.10	$	1.32
Shares used in computing earnings per share:
Basic	28,918		28,967		29,074		28,961
Diluted	30,290		30,292		30,259		30,336


(1)	Cost of revenues excludes amortization expense of $0.3 million, $0.4 million, $0.5 million, $0.6 million, $0.5 million, $0.5 million, $0.5 million and $0.5 million for the quarters ended September 30, 2020, June 30, 2020, March 31, 2020, December 31, 2019, September 30, 2019, June 30, 2019, March 31, 2019 and December 31, 2018, respectively.

(2)

Earnings per share is computed independently for each of the quarters presented. Therefore, the sum of the quarterly per share amounts may not equal the totals for the respective years.