Segment Information Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 28, 2014	Dec. 29, 2013
Net Sales	$ 444,287us-gaap_Revenues	$ 416,592us-gaap_Revenues	$ 736,916us-gaap_Revenues	$ 733,896us-gaap_Revenues
Gross Profit	87,868us-gaap_GrossProfit	77,366us-gaap_GrossProfit	135,189us-gaap_GrossProfit	121,197us-gaap_GrossProfit
Segment Income (Loss)	14,769bgg_SegmentIncomeLoss	6,186bgg_SegmentIncomeLoss	(7,061)bgg_SegmentIncomeLoss	(17,216)bgg_SegmentIncomeLoss
Equity in Earnings of Unconsolidated Affiliates	1,454	1,022	3,341	2,551
Income (Loss) from Operations	13,315us-gaap_OperatingIncomeLoss	5,164us-gaap_OperatingIncomeLoss	(10,402)us-gaap_OperatingIncomeLoss	(19,767)us-gaap_OperatingIncomeLoss
Interest Expense	(4,890)us-gaap_InterestExpense	(4,594)us-gaap_InterestExpense	(9,408)us-gaap_InterestExpense	(9,103)us-gaap_InterestExpense
Other Income, Net	2,052us-gaap_OtherIncome	1,751us-gaap_OtherIncome	4,425us-gaap_OtherIncome	3,843us-gaap_OtherIncome
Income (Loss) Before Income Taxes	10,477	2,321	(15,385)	(25,027)
PROVISION (CREDIT) FOR INCOME TAXES	3,534us-gaap_IncomeTaxExpenseBenefit	1,619us-gaap_IncomeTaxExpenseBenefit	(7,049)us-gaap_IncomeTaxExpenseBenefit	(6,380)us-gaap_IncomeTaxExpenseBenefit
NET INCOME (LOSS)	6,943us-gaap_NetIncomeLoss	702us-gaap_NetIncomeLoss	(8,336)us-gaap_NetIncomeLoss	(18,647)us-gaap_NetIncomeLoss
Engines [Member]
Net Sales	271,704	265,712	424,820	449,499
Gross Profit	62,896	54,257	90,696	79,493
Segment Income (Loss)	18,894	9,292	5,040	(7,266)
Products [Member]
Net Sales	199,050	171,528	365,178	324,564
Gross Profit	25,213	21,959	44,597	39,784
Segment Income (Loss)	(3,884)	(4,256)	(11,997)	(11,870)
Elimination [Member]
Net Sales	(26,467)	(20,648)	(53,082)	(40,167)
Gross Profit	(241)	1,150	(104)	1,920
Segment Income (Loss)	$ (241)	$ 1,150	$ (104)	$ 1,920

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Reflects the sum of all other revenue and income recognized by the entity in the period not otherwise specified in the income statement.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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