$ 8,000

$ 45,000

$ 14,000

$ 25,000

$ 40,000

$ 25,000

$ 35,000

$ 231,086

$ 192,223

$ 174,778

$ 173,495

$ 207,005

$ 171,189

$ 161,178

$ 146,368

$ 771,582

$ 685,740

$ 571,459

536,700

503,100

403,600

94,500

69,800

68,100

85,000

75,400

71,600

30,300

22,200

12,900

9,400

4,800

2,900

$ 15,700

$ 10,400

$ 12,400

Business Segment Information (Schedule Of Geographic Information Net Sales) (Details) - USD ($) $ in Thousands			1 Months Ended					3 Months Ended								12 Months Ended
	Mar. 14, 2018	May 08, 2017	Aug. 30, 2017	May 25, 2017	Nov. 07, 2016	Sep. 02, 2016	Jan. 29, 2016	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Net Sales	$ 8,000	$ 45,000	$ 14,000	$ 25,000	$ 40,000	$ 25,000	$ 35,000	$ 231,086	$ 192,223	$ 174,778	$ 173,495	$ 207,005	$ 171,189	$ 161,178	$ 146,368	$ 771,582	$ 685,740	$ 571,459
United States [Member]
Net Sales																536,700	503,100	403,600
Asia [Member]
Net Sales																94,500	69,800	68,100
Europe [Member]
Net Sales																85,000	75,400	71,600
Canada [Member]
Net Sales																30,300	22,200	12,900
India [Member]
Net Sales																9,400	4,800	2,900
Other [Member]
Net Sales																$ 15,700	$ 10,400	$ 12,400