Separate Financial Information Of Subsidiary Guarantor of Indebtedness (Schedule Of Consolidating Statement Of Operations and Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012	Jan. 01, 2012
Net Sales	$ 439,066	$ 447,947	$ 748,086	$ 845,244
Cost of Goods Sold	358,953	374,067	618,978	705,310
Cost Of Goods Sold Restructuring Charges	3,200	0	8,325	0
Gross Profit	76,913	73,880	120,783	139,934
Engineering, Selling, General and Administrative Expenses	69,200	73,292	134,888	140,969
Operating Restructuring Charges	3,435	0	3,435	0
Equity In Income From Subsidiaries	0	0	0	0
Income (Loss) from Operations	4,278	588	(17,540)	(1,035)
Interest Expense	(4,599)	(4,796)	(9,085)	(9,134)
Other Income (Expense), Net	1,450	1,388	2,854	3,183
Loss Before Income Taxes	1,129	(2,820)	(23,771)	(6,986)
Provision (Credit) for Income Taxes	1,764	(5,517)	(6,609)	(4,463)
Net Income (Loss)	(635)	2,697	(17,162)	(2,523)
Total Comprehensive Income (Loss)	20,433	4,414	15,861	(6,754)
Briggs & Stratton Corporation [Member]
Net Sales	262,148	270,624	413,711	464,705
Cost of Goods Sold	210,185	231,128	342,145	392,010
Cost Of Goods Sold Restructuring Charges	642	0	1,720	0
Gross Profit	51,321	39,496	69,846	72,695
Engineering, Selling, General and Administrative Expenses	42,316	44,427	80,758	81,540
Operating Restructuring Charges	3,435	0	3,435	0
Equity In Income From Subsidiaries	(664)	(5,827)	(322)	(3,640)
Income (Loss) from Operations	6,234	896	(14,025)	(5,205)
Interest Expense	(4,555)	(4,738)	(8,998)	(9,042)
Other Income (Expense), Net	1,174	931	2,215	2,410
Loss Before Income Taxes	2,853	(2,911)	(20,808)	(11,837)
Provision (Credit) for Income Taxes	3,488	(5,608)	(3,646)	(9,314)
Net Income (Loss)	(635)	2,697	(17,162)	(2,523)
Total Comprehensive Income (Loss)	20,433	4,414	15,861	(6,754)
Guarantor Subsidiary [Member]
Net Sales	171,411	180,007	316,528	390,573
Cost of Goods Sold	157,308	162,276	287,019	350,286
Cost Of Goods Sold Restructuring Charges	2,355	0	6,390	0
Gross Profit	11,748	17,731	23,119	40,287
Engineering, Selling, General and Administrative Expenses	16,554	18,730	34,624	36,882
Operating Restructuring Charges	0	0	0	0
Equity In Income From Subsidiaries	0	0	0	0
Income (Loss) from Operations	(4,806)	(999)	(11,505)	3,405
Interest Expense	0	(9)	(3)	(21)
Other Income (Expense), Net	62	74	154	165
Loss Before Income Taxes	(4,744)	(934)	(11,354)	3,549
Provision (Credit) for Income Taxes	(1,707)	(2,060)	(4,156)	1,541
Net Income (Loss)	(3,037)	1,126	(7,198)	2,008
Total Comprehensive Income (Loss)	(2,982)	667	(7,700)	1,486
Non-Guarantor Subsidiaries [Member]
Net Sales	62,350	83,529	134,316	155,010
Cost of Goods Sold	48,303	66,876	106,283	128,058
Cost Of Goods Sold Restructuring Charges	203	0	215	0
Gross Profit	13,844	16,653	27,818	26,952
Engineering, Selling, General and Administrative Expenses	10,330	10,135	19,506	22,547
Operating Restructuring Charges	0	0	0	0
Equity In Income From Subsidiaries	0	0	0	0
Income (Loss) from Operations	3,514	6,518	8,312	4,405
Interest Expense	(44)	(49)	(84)	(71)
Other Income (Expense), Net	214	383	485	608
Loss Before Income Taxes	3,684	6,852	8,713	4,942
Provision (Credit) for Income Taxes	(17)	2,151	1,193	3,310
Net Income (Loss)	3,701	4,701	7,520	1,632
Total Comprehensive Income (Loss)	4,376	5,101	11,519	(3,924)
Eliminations [Member]
Net Sales	(56,843)	(86,213)	(116,469)	(165,044)
Cost of Goods Sold	(56,843)	(86,213)	(116,469)	(165,044)
Cost Of Goods Sold Restructuring Charges	0	0	0	0
Gross Profit	0	0	0	0
Engineering, Selling, General and Administrative Expenses	0	0	0	0
Operating Restructuring Charges	0	0	0	0
Equity In Income From Subsidiaries	664	5,827	322	3,640
Income (Loss) from Operations	(664)	(5,827)	(322)	(3,640)
Interest Expense	0	0	0	0
Other Income (Expense), Net	0	0	0	0
Loss Before Income Taxes	(664)	(5,827)	(322)	(3,640)
Provision (Credit) for Income Taxes	0	0	0	0
Net Income (Loss)	(664)	(5,827)	(322)	(3,640)
Total Comprehensive Income (Loss)	$ (1,394)	$ (5,768)	$ (3,819)	$ 2,438