Note 3 - Revenue From Contracts With Customers - Effects on Financial Statements (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Jul. 01, 2018	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2017
Net sales		$ 193,080	$ 189,142
Cost of Sales		123,828	123,471
Income tax expense		5,842	4,262
Net Loss		15,857	13,998
Inventories	$ 126,649	111,687		$ 127,223
Accounts receivable	134,931	123,804		119,783
Accrued liabilities	67,077	57,136		57,679
Deferred income taxes	26,476			26,816
Retained earnings	760,397	773,938		761,430
Net sales		193,080	189,142
Cost of sales		123,828	123,471
Gross profit		69,252	65,671
Selling, general, and administrative expenses		45,472	43,057
Restructuring costs		447	2,958
Acquisition related expenses		688	1,005
Total operating expenses		46,607	47,020
Income from operations		22,645	18,651
Interest expense		(2,244)	(1,721)
Other non-operating income (expense)		(201)	29
Income from continuing operations before income taxes		20,200	16,959
Provision for income taxes		5,842	4,262
Income from continuing operations		14,358	12,697
Income (loss) from discontinued operations, net of income taxes		1,499	1,301
Net income (loss)		$ 15,857	$ 13,998
Basic earnings (loss) per share:
Basic earnings (loss) per share, continuing operations (in dollars per share)		$ 1.13	$ 1
Basic earnings (loss) per share, discontinued operations (in dollars per share)		0.12	0.10
Basic earnings (loss) per share, total (in dollars per share)		1.25	1.10
Diluted earnings (loss) per share:
Diluted earnings (loss) per share, continuing operations (in dollars per share)		1.12	0.99
Diluted earnings (loss) per share, discontinued operations (in dollars per share)		0.12	0.10
Diluted earnings (loss) per share, total (in dollars per share)		$ 1.24	$ 1.09
Cash and cash equivalents		$ 109,270	$ 75,270	109,602		$ 88,566
Accounts receivable	134,931	123,804		119,783
Inventories	126,649	111,687		127,223
Prepaid expenses and other current assets		15,135		10,255
Income taxes receivable		615		2,348
Current assets- Discontinued Operations		36,315		37,671
Total current assets		396,826		383,959
Property, plant, and equipment, net		139,707		136,934
Intangible assets, net		110,416		84,938
Goodwill		263,021		211,751
Deferred tax asset		6,816		7,447
Other non-current assets		31,088		29,749
Long-term assets- Discontinued Operations		61,733		62,159
Total non-current assets		612,781		532,978
Total Assets		1,009,607		916,937
Accounts payable		63,161		78,947
Accrued liabilities	67,077	57,136		57,679
Income taxes payable		5,790		6,050
Current liabilities- Discontinued Operations		18,682		18,665
Total current liabilities		144,769		161,341
Long-term debt		299,438		193,772
Accrued pension and other non-current liabilities		105,320		110,979
Non-current liabilities- Discontinued Operations		50		50
Total non-current liabilities		404,808		304,801
Common stock		41,976		41,976
Additional paid-in capital		63,280		61,328
Retained earnings	760,397	773,938		761,430
Accumulated other comprehensive loss		(127,105)		(121,859)
Treasury shares: 15,241,571 shares at September 30, 2018 and 15,278,716 shares at June 30, 2018		(292,059)		(292,080)
Total stockholders’ equity		460,030		450,795
Total liabilities and stockholders’ equity		1,009,607		$ 916,937
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Net sales		190,037
Cost of Sales		121,332
Income tax expense		5,684
Net Loss		15,492
Inventories		114,183
Accounts receivable		120,541
Accrued liabilities		57,648
Retained earnings		773,573
Net sales		190,037
Cost of sales		121,332
Gross profit		68,705
Selling, general, and administrative expenses		45,472
Restructuring costs		447
Acquisition related expenses		688
Total operating expenses		46,607
Income from operations		22,098
Interest expense		(2,244)
Other non-operating income (expense)		(201)
Income from continuing operations before income taxes		19,653
Provision for income taxes		5,684
Income from continuing operations		13,969
Income (loss) from discontinued operations, net of income taxes		1,523
Net income (loss)		$ 15,492
Basic earnings (loss) per share:
Basic earnings (loss) per share, continuing operations (in dollars per share)		$ 1.10
Basic earnings (loss) per share, discontinued operations (in dollars per share)		0.12
Basic earnings (loss) per share, total (in dollars per share)		1.22
Diluted earnings (loss) per share:
Diluted earnings (loss) per share, continuing operations (in dollars per share)		1.09
Diluted earnings (loss) per share, discontinued operations (in dollars per share)		0.12
Diluted earnings (loss) per share, total (in dollars per share)		$ 1.21
Cash and cash equivalents		$ 109,270
Accounts receivable		120,541
Inventories		114,183
Prepaid expenses and other current assets		15,135
Income taxes receivable		615
Current assets- Discontinued Operations		36,315
Total current assets		396,059
Property, plant, and equipment, net		139,707
Intangible assets, net		110,416
Goodwill		263,021
Deferred tax asset		6,816
Other non-current assets		31,088
Long-term assets- Discontinued Operations		61,733
Total non-current assets		612,781
Total Assets		1,008,840
Accounts payable		63,161
Accrued liabilities		57,648
Income taxes payable		5,632
Current liabilities- Discontinued Operations		17,926
Total current liabilities		144,367
Long-term debt		299,438
Accrued pension and other non-current liabilities		105,320
Non-current liabilities- Discontinued Operations		50
Total non-current liabilities		404,808
Common stock		41,976
Additional paid-in capital		63,280
Retained earnings		773,573
Accumulated other comprehensive loss		(127,105)
Treasury shares: 15,241,571 shares at September 30, 2018 and 15,278,716 shares at June 30, 2018		(292,059)
Total stockholders’ equity		459,665
Total liabilities and stockholders’ equity		1,008,840
Accounting Standards Update 2014-09 [Member]
Net sales	(799)
Cost of Sales	(574)
Income tax expense	340
Net Loss	(1,033)
Inventories	(574)
Accounts receivable	703
Accrued liabilities	1,502
Deferred income taxes	(340)
Retained earnings	(1,033)				$ (1,000)
Net sales	(799)
Cost of sales	(574)
Provision for income taxes	340
Net income (loss)	(1,033)
Diluted earnings (loss) per share:
Accounts receivable	703
Inventories	(574)
Accrued liabilities	1,502
Retained earnings	$ (1,033)				$ (1,000)
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Net sales		(3,043)
Cost of Sales		(2,496)
Income tax expense		(158)
Net Loss		(365)
Inventories		2,496
Accounts receivable		(3,263)
Accrued liabilities		(220)
Retained earnings		(365)
Net sales		(3,043)
Cost of sales		(2,496)
Gross profit		(547)
Selling, general, and administrative expenses
Restructuring costs
Acquisition related expenses
Total operating expenses
Income from operations		(547)
Interest expense
Other non-operating income (expense)
Income from continuing operations before income taxes		(547)
Provision for income taxes		(158)
Income from continuing operations		(389)
Income (loss) from discontinued operations, net of income taxes		24
Net income (loss)		$ (365)
Basic earnings (loss) per share:
Basic earnings (loss) per share, continuing operations (in dollars per share)		$ (0.03)
Basic earnings (loss) per share, discontinued operations (in dollars per share)		0
Basic earnings (loss) per share, total (in dollars per share)		(0.30)
Diluted earnings (loss) per share:
Diluted earnings (loss) per share, continuing operations (in dollars per share)		(0.30)
Diluted earnings (loss) per share, discontinued operations (in dollars per share)		0
Diluted earnings (loss) per share, total (in dollars per share)		$ (0.30)
Cash and cash equivalents
Accounts receivable		(3,263)
Inventories		2,496
Prepaid expenses and other current assets
Income taxes receivable
Current assets- Discontinued Operations
Total current assets		(767)
Property, plant, and equipment, net
Intangible assets, net
Goodwill
Deferred tax asset
Other non-current assets
Long-term assets- Discontinued Operations
Total non-current assets
Total Assets		(767)
Accounts payable
Accrued liabilities		(220)
Income taxes payable		(158)
Current liabilities- Discontinued Operations		(24)
Total current liabilities		(402)
Long-term debt
Accrued pension and other non-current liabilities
Non-current liabilities- Discontinued Operations
Total non-current liabilities
Common stock
Additional paid-in capital
Retained earnings		(365)
Accumulated other comprehensive loss
Treasury shares: 15,241,571 shares at September 30, 2018 and 15,278,716 shares at June 30, 2018
Total stockholders’ equity		(365)
Total liabilities and stockholders’ equity		$ (767)