Separate Financial Information Of Subsidiary Guarantor of Indebtedness (Schedule Of Consolidating Statement Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 30, 2012	Jan. 01, 2012
Net Cash Provided by (Used in) Operating Activities	$ (75,412)	$ (165,000)
Cash Flows from Investing Activities:
Additions to Plant and Equipment	(16,744)	(19,704)
Proceeds Received on Disposition of Plant and Equipment	6,267	95
Cash Investment In Subsidiary	0	0
Payments for Acquisitions, Net of Cash Acquired	(57,807)	(2,673)
Net Cash Provided by (Used in) Investing Activities	(68,284)	(22,282)
Cash flows from Financing Activities:
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	18,900	15,000
Debt Issuance Costs	0	(2,007)
Treasury Stock Purchases	(19,235)	(11,384)
Cash Dividends Paid	(5,807)	(5,565)
Stock Option Exercise Proceeds and Tax Benefits	11,336	0
Net Cash Provided by (Used in) Financing Activities	5,194	(3,956)
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	669	(4,469)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(137,833)	(195,707)
CASH AND CASH EQUIVALENTS, Beginning	156,075	209,639
CASH AND CASH EQUIVALENTS, Ending	18,242	13,932
Briggs & Stratton Corporation [Member]
Net Cash Provided by (Used in) Operating Activities	(172,869)	(116,857)
Cash Flows from Investing Activities:
Additions to Plant and Equipment	(12,121)	(16,386)
Proceeds Received on Disposition of Plant and Equipment	19	41
Cash Investment In Subsidiary	(18,063)	2,141
Payments for Acquisitions, Net of Cash Acquired	0	0
Net Cash Provided by (Used in) Investing Activities	(30,165)	(14,204)
Cash flows from Financing Activities:
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	85,519	(8,563)
Debt Issuance Costs	0	(2,007)
Treasury Stock Purchases	19,235	(11,384)
Cash Dividends Paid	(5,807)	(5,565)
Stock Option Exercise Proceeds and Tax Benefits	11,336	0
Net Cash Provided by (Used in) Financing Activities	71,813	(27,519)
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(131,221)	(158,580)
CASH AND CASH EQUIVALENTS, Beginning	133,108	158,672
CASH AND CASH EQUIVALENTS, Ending	1,887	92
Guarantor Subsidiary [Member]
Net Cash Provided by (Used in) Operating Activities	60,368	(22,069)
Cash Flows from Investing Activities:
Additions to Plant and Equipment	(3,464)	(2,145)
Proceeds Received on Disposition of Plant and Equipment	5,265	50
Cash Investment In Subsidiary	0	0
Payments for Acquisitions, Net of Cash Acquired	0	0
Net Cash Provided by (Used in) Investing Activities	1,801	(2,095)
Cash flows from Financing Activities:
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	(66,619)	23,563
Debt Issuance Costs	0	0
Treasury Stock Purchases	0	0
Cash Dividends Paid	0	0
Stock Option Exercise Proceeds and Tax Benefits	0	0
Net Cash Provided by (Used in) Financing Activities	(66,619)	23,563
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(4,450)	(601)
CASH AND CASH EQUIVALENTS, Beginning	5,375	1,372
CASH AND CASH EQUIVALENTS, Ending	925	771
Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities	37,089	(26,074)
Cash Flows from Investing Activities:
Additions to Plant and Equipment	(1,159)	(1,173)
Proceeds Received on Disposition of Plant and Equipment	983	4
Cash Investment In Subsidiary	18,063	(2,141)
Payments for Acquisitions, Net of Cash Acquired	(57,807)	(2,673)
Net Cash Provided by (Used in) Investing Activities	(39,920)	(5,983)
Cash flows from Financing Activities:
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	0	0
Debt Issuance Costs	0	0
Treasury Stock Purchases	0	0
Cash Dividends Paid	0	0
Stock Option Exercise Proceeds and Tax Benefits	0	0
Net Cash Provided by (Used in) Financing Activities	0	0
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	669	(4,469)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(2,162)	(36,526)
CASH AND CASH EQUIVALENTS, Beginning	17,592	49,595
CASH AND CASH EQUIVALENTS, Ending	15,430	13,069
Eliminations [Member]
Net Cash Provided by (Used in) Operating Activities	0	0
Cash Flows from Investing Activities:
Additions to Plant and Equipment	0	0
Proceeds Received on Disposition of Plant and Equipment	0	0
Cash Investment In Subsidiary	0	0
Payments for Acquisitions, Net of Cash Acquired	0	0
Net Cash Provided by (Used in) Investing Activities	0	0
Cash flows from Financing Activities:
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	0	0
Debt Issuance Costs	0	0
Treasury Stock Purchases	0	0
Cash Dividends Paid	0	0
Stock Option Exercise Proceeds and Tax Benefits	0	0
Net Cash Provided by (Used in) Financing Activities	0	0
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS, Beginning	0	0
CASH AND CASH EQUIVALENTS, Ending	$ 0	$ 0