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		12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jun. 30, 2013
Net Cash Provided by (Used in) Operating Activities	$ (45,248)	$ (75,412)
Cash Flows from Investing Activities:
Additions to Plant and Equipment	(18,063)	(16,744)
Proceeds Received on Disposition of Plant and Equipment	61	6,267
Cash Investment In Subsidiary	0	0
Cash Paid for Acquisition, Net of Cash Acquired	0	(57,807)	(59,600)
Net Cash Provided by (Used in) Investing Activities	(18,002)	(68,284)
Cash flows from Financing Activities:
Repayments of Short-term Debt	(300)	0
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	0	18,900
Debt Issuance Costs	(942)	0
Treasury Stock Purchases	(21,086)	(19,235)
Stock Option Exercise Proceeds and Tax Benefits	994	11,336
Cash Dividends Paid	(5,730)	(5,807)
Net Cash Provided by (Used in) Financing Activities	(27,064)	5,194
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	31	669
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(90,283)	(137,833)
CASH AND CASH EQUIVALENTS, Beginning	188,445	156,075	156,075
CASH AND CASH EQUIVALENTS, Ending	98,162	18,242	188,445
Briggs & Stratton Corporation [Member]
Net Cash Provided by (Used in) Operating Activities	(98,437)	(172,869)
Cash Flows from Investing Activities:
Additions to Plant and Equipment	(15,904)	(12,121)
Proceeds Received on Disposition of Plant and Equipment	28	19
Cash Investment In Subsidiary	8,107	(18,063)
Cash Paid for Acquisition, Net of Cash Acquired		0
Net Cash Provided by (Used in) Investing Activities	(7,769)	(30,165)
Cash flows from Financing Activities:
Repayments of Short-term Debt	0
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	27,300	85,519
Debt Issuance Costs	(942)
Treasury Stock Purchases	(21,086)	(19,235)
Stock Option Exercise Proceeds and Tax Benefits	994	(11,336)
Cash Dividends Paid	(5,730)	(5,807)
Net Cash Provided by (Used in) Financing Activities	536	71,813
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(105,670)	(131,221)
CASH AND CASH EQUIVALENTS, Beginning	162,628	133,108	133,108
CASH AND CASH EQUIVALENTS, Ending	56,958	1,887
Guarantor Subsidiary [Member]
Net Cash Provided by (Used in) Operating Activities	28,940	60,368
Cash Flows from Investing Activities:
Additions to Plant and Equipment	(1,365)	(3,464)
Proceeds Received on Disposition of Plant and Equipment	33	5,265
Cash Investment In Subsidiary	0	0
Cash Paid for Acquisition, Net of Cash Acquired		0
Net Cash Provided by (Used in) Investing Activities	(1,332)	1,801
Cash flows from Financing Activities:
Repayments of Short-term Debt	0
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	(27,300)	(66,619)
Debt Issuance Costs	0
Treasury Stock Purchases	0	0
Stock Option Exercise Proceeds and Tax Benefits	0	0
Cash Dividends Paid	0	0
Net Cash Provided by (Used in) Financing Activities	(27,300)	(66,619)
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	308	(4,450)
CASH AND CASH EQUIVALENTS, Beginning	1,275	5,375	5,375
CASH AND CASH EQUIVALENTS, Ending	1,583	925
Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities	24,249	37,089
Cash Flows from Investing Activities:
Additions to Plant and Equipment	(794)	(1,159)
Proceeds Received on Disposition of Plant and Equipment	0	983
Cash Investment In Subsidiary	(8,107)	18,063
Cash Paid for Acquisition, Net of Cash Acquired		(57,807)
Net Cash Provided by (Used in) Investing Activities	(8,901)	(39,920)
Cash flows from Financing Activities:
Repayments of Short-term Debt	(300)
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	0	0
Debt Issuance Costs	0
Treasury Stock Purchases	0	0
Stock Option Exercise Proceeds and Tax Benefits	0	0
Cash Dividends Paid	0	0
Net Cash Provided by (Used in) Financing Activities	(300)	0
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	31	669
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	15,079	(2,162)
CASH AND CASH EQUIVALENTS, Beginning	24,542	17,592	17,592
CASH AND CASH EQUIVALENTS, Ending	39,621	15,430
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
Cash Paid for Acquisition, Net of Cash Acquired		0
Net Cash Provided by (Used in) Investing Activities	0	0
Cash flows from Financing Activities:
Repayments of Short-term Debt	0
Net Borrowings (Repayments) on Loans, Notes Payable and Long-Term Debt	0	0
Debt Issuance Costs	0
Treasury Stock Purchases	0	0
Stock Option Exercise Proceeds and Tax Benefits	0	0
Cash Dividends Paid	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	0
CASH AND CASH EQUIVALENTS, Ending	$ 0	$ 0