Separate Financial Information Of Subsidiary Guarantor of Indebtedness (Schedule Of Consolidating Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2012	Jul. 01, 2012	Jan. 01, 2012	Jul. 03, 2011
CURRENT ASSETS:
Cash and Cash Equivalents	$ 18,242	$ 156,075	$ 13,932	$ 209,639
Accounts Receivable, Net	258,559	223,996
Intercompany Accounts Receivable	0	0
Inventory, Net	536,690	433,684
Deferred Income Tax Asset	44,813	44,527
Assets Held For Sale	5,539	10,404
Prepaid Expenses and Other Current Assets	38,986	42,814
Total Current Assets	902,829	911,500
OTHER ASSETS:
Goodwill	218,635	204,764
Investments	20,303	22,163
Investment in Subsidiaries	0	0
Intercompany Note Receivable	0	0
Debt Issuance Costs	5,208	5,717
Other Intangible Assets, Net	110,297	87,067
Long-Term Deferred Income Tax Asset	57,863	66,951
Other Long-Term Assets, Net	8,973	8,820
Other Assets, Noncurrent	421,279	395,482
Property, Plant and Equipment, Net	287,340	301,249
TOTAL ASSETS	1,611,448	1,608,231
CURRENT LIABILITIES:
Accounts Payable	183,278	151,153
Intercompany Accounts Payable	0	0
Short-term Debt	3,000	3,000
Accrued Liabilities	151,403	151,756
Total Current Liabilities	337,681	305,909
OTHER LIABILITIES:
Accrued Pension Cost	250,523	296,394
Accrued Employee Benefits	23,607	25,035
Postemployment Benefits Liability, Noncurrent	87,478	89,842
Intercompany Note Payable	0	0
Deferred Tax Liabilities, Noncurrent	0	0
Other Long-Term Liabilities	35,920	34,081
Long-Term Debt	243,900	225,000
Total Other Liabilities	641,428	670,352
Total Shareholders' Investment	632,339	631,970
TOTAL LIABILITIES AND SHAREHOLDERS' INVESTMENT	1,611,448	1,608,231
Briggs & Stratton Corporation [Member]
CURRENT ASSETS:
Cash and Cash Equivalents	1,887	133,108	92	158,672
Accounts Receivable, Net	140,029	102,997
Intercompany Accounts Receivable	34,327	45,407
Inventory, Net	280,251	149,863
Deferred Income Tax Asset	26,424	25,630
Assets Held For Sale	0	0
Prepaid Expenses and Other Current Assets	26,906	28,660
Total Current Assets	509,824	485,665
OTHER ASSETS:
Goodwill	128,300	128,300
Investments	20,303	22,163
Investment in Subsidiaries	570,886	556,958
Intercompany Note Receivable	73,480	22,650
Debt Issuance Costs	5,208	5,717
Other Intangible Assets, Net	0	0
Long-Term Deferred Income Tax Asset	101,908	108,003
Other Long-Term Assets, Net	5,194	4,813
Other Assets, Noncurrent	905,279	848,604
Property, Plant and Equipment, Net	220,531	230,253
TOTAL ASSETS	1,635,634	1,564,522
CURRENT LIABILITIES:
Accounts Payable	117,713	85,839
Intercompany Accounts Payable	45,377	56,674
Short-term Debt	0	0
Accrued Liabilities	113,741	108,079
Total Current Liabilities	276,831	250,592
OTHER LIABILITIES:
Accrued Pension Cost	249,980	295,862
Accrued Employee Benefits	23,607	25,035
Postemployment Benefits Liability, Noncurrent	70,941	73,575
Intercompany Note Payable	115,464	41,147
Deferred Tax Liabilities, Noncurrent	0	0
Other Long-Term Liabilities	22,572	21,341
Long-Term Debt	243,900	225,000
Total Other Liabilities	726,464	681,960
Total Shareholders' Investment	632,339	631,970
TOTAL LIABILITIES AND SHAREHOLDERS' INVESTMENT	1,635,634	1,564,522
Guarantor Subsidiary [Member]
CURRENT ASSETS:
Cash and Cash Equivalents	925	5,375	771	1,372
Accounts Receivable, Net	76,242	97,009
Intercompany Accounts Receivable	8,598	7,593
Inventory, Net	181,575	224,642
Deferred Income Tax Asset	17,140	17,699
Assets Held For Sale	0	4,000
Prepaid Expenses and Other Current Assets	7,049	11,412
Total Current Assets	291,529	367,730
OTHER ASSETS:
Goodwill	64,544	64,544
Investments	0	0
Investment in Subsidiaries	0	0
Intercompany Note Receivable	103,614	36,987
Debt Issuance Costs	0	0
Other Intangible Assets, Net	82,312	83,242
Long-Term Deferred Income Tax Asset	0	0
Other Long-Term Assets, Net	2,507	2,733
Other Assets, Noncurrent	252,977	187,506
Property, Plant and Equipment, Net	48,053	53,105
TOTAL ASSETS	592,559	608,341
CURRENT LIABILITIES:
Accounts Payable	45,902	44,829
Intercompany Accounts Payable	28,712	26,661
Short-term Debt	0	0
Accrued Liabilities	19,972	28,706
Total Current Liabilities	94,586	100,196
OTHER LIABILITIES:
Accrued Pension Cost	493	464
Accrued Employee Benefits	0	0
Postemployment Benefits Liability, Noncurrent	16,537	16,267
Intercompany Note Payable	0	0
Deferred Tax Liabilities, Noncurrent	44,072	41,054
Other Long-Term Liabilities	11,881	11,485
Long-Term Debt	0	0
Total Other Liabilities	72,983	69,270
Total Shareholders' Investment	424,990	438,875
TOTAL LIABILITIES AND SHAREHOLDERS' INVESTMENT	592,559	608,341
Non-Guarantor Subsidiaries [Member]
CURRENT ASSETS:
Cash and Cash Equivalents	15,430	17,592	13,069	49,595
Accounts Receivable, Net	42,288	23,990
Intercompany Accounts Receivable	49,906	69,096
Inventory, Net	74,864	59,179
Deferred Income Tax Asset	1,249	1,198
Assets Held For Sale	5,539	6,404
Prepaid Expenses and Other Current Assets	5,031	2,742
Total Current Assets	194,307	180,201
OTHER ASSETS:
Goodwill	25,791	11,920
Investments	0	0
Investment in Subsidiaries	0	0
Intercompany Note Receivable	22,881	11,137
Debt Issuance Costs	0	0
Other Intangible Assets, Net	27,985	3,825
Long-Term Deferred Income Tax Asset	27	2
Other Long-Term Assets, Net	1,272	1,274
Other Assets, Noncurrent	77,956	28,158
Property, Plant and Equipment, Net	18,756	17,891
TOTAL ASSETS	291,019	226,250
CURRENT LIABILITIES:
Accounts Payable	19,663	20,485
Intercompany Accounts Payable	18,742	38,761
Short-term Debt	3,000	3,000
Accrued Liabilities	17,690	14,971
Total Current Liabilities	59,095	77,217
OTHER LIABILITIES:
Accrued Pension Cost	50	68
Accrued Employee Benefits	0	0
Postemployment Benefits Liability, Noncurrent	0	0
Intercompany Note Payable	84,511	29,627
Deferred Tax Liabilities, Noncurrent	0	0
Other Long-Term Liabilities	1,467	1,255
Long-Term Debt	0	0
Total Other Liabilities	86,028	30,950
Total Shareholders' Investment	145,896	118,083
TOTAL LIABILITIES AND SHAREHOLDERS' INVESTMENT	291,019	226,250
Eliminations [Member]
CURRENT ASSETS:
Cash and Cash Equivalents	0	0	0	0
Accounts Receivable, Net	0	0
Intercompany Accounts Receivable	(92,831)	(122,096)
Inventory, Net	0	0
Deferred Income Tax Asset	0	0
Assets Held For Sale	0	0
Prepaid Expenses and Other Current Assets	0	0
Total Current Assets	(92,831)	(122,096)
OTHER ASSETS:
Goodwill	0	0
Investments	0	0
Investment in Subsidiaries	(570,886)	(556,958)
Intercompany Note Receivable	(199,975)	(70,774)
Debt Issuance Costs	0	0
Other Intangible Assets, Net	0	0
Long-Term Deferred Income Tax Asset	(44,072)	(41,054)
Other Long-Term Assets, Net	0	0
Other Assets, Noncurrent	(814,933)	(668,786)
Property, Plant and Equipment, Net	0	0
TOTAL ASSETS	(907,764)	(790,882)
CURRENT LIABILITIES:
Accounts Payable	0	0
Intercompany Accounts Payable	(92,831)	(122,096)
Short-term Debt	0	0
Accrued Liabilities	0	0
Total Current Liabilities	(92,831)	(122,096)
OTHER LIABILITIES:
Accrued Pension Cost	0	0
Accrued Employee Benefits	0	0
Postemployment Benefits Liability, Noncurrent	0	0
Intercompany Note Payable	(199,975)	(70,774)
Deferred Tax Liabilities, Noncurrent	(44,072)	(41,054)
Other Long-Term Liabilities	0	0
Long-Term Debt	0	0
Total Other Liabilities	(244,047)	(111,828)
Total Shareholders' Investment	(570,886)	(556,958)
TOTAL LIABILITIES AND SHAREHOLDERS' INVESTMENT	$ (907,764)	$ (790,882)