Note 5 - Long-Term Debt and Other Financial Instruments (Detail) (USD $)	1 Months Ended	3 Months Ended			12 Months Ended				3 Months Ended	12 Months Ended			0 Months Ended			1 Months Ended	0 Months Ended	8 Months Ended						5 Months Ended
	Mar. 31, 2012	Sep. 23, 2012	Jun. 24, 2012	Mar. 28, 2010	Dec. 31, 2012	Dec. 25, 2011	Dec. 26, 2010	May 31, 2012	Sep. 25, 2011 Interest Rate Swap [Member]	Dec. 27, 2009 Interest Rate Swap [Member]	Dec. 31, 2006 Interest Rate Swap [Member]	Dec. 31, 2012 BH Finance LLC [Member] Step Down Percentage if Total Leverage Reaches Threshold [Member] Term Loan [Member]	Jun. 30, 2012 BH Finance LLC [Member] Term Loan [Member]	Dec. 31, 2012 BH Finance LLC [Member] Term Loan [Member]	May 31, 2012 BH Finance LLC [Member] Term Loan [Member]	May 31, 2012 BH Finance LLC [Member] Term Loan and Initial Draw on Revolving Credit Line [Member]	Jun. 30, 2012 BH Finance LLC [Member]	Dec. 31, 2012 BH Finance LLC [Member]	May 31, 2012 BH Finance LLC [Member]	Dec. 31, 2012 BH Finance LLC [Member]	Dec. 31, 2012 Term Loan [Member]	Dec. 25, 2011 Term Loan [Member]	Dec. 31, 2012 Senior Notes [Member]	May 31, 2012 Previous Bank Credit Facility [Member]
Debt Instrument, Face Amount														$ 302,000,000							$ 301,537,000	$ 363,126,000	$ 300,000,000
Line of Credit Facility, Maximum Borrowing Capacity																			45,000,000	45,000,000
Debt Instrument, Interest Rate, Stated Percentage												9.00%		10.50%									11.75%
Debt Instrument, Issuance Price, Percentage of Face Value																							97.69%
Long-term Debt, Gross															400,000,000
Proceeds from Bank Debt					13,000,000	112,500,000	134,156,000									382,500,000
Loan Discount, Percent															11.50%
Debt Instrumnet, Repayment Prior To Maturity, Price As Percentage of Principal Amount															100.00%								105.875%
Debt Instrument, Repayment Prior to Maturity, Initial Premium Percentage															14.50%
Line of Credit Facility, Interest Rate at Period End																		10.00%
Line of Credit Facility, Commitment Fee Percentage																		2.00%						2.50%
Long-term Debt, Maturities, Repayments of Principal in Year Five																							299,800,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum																								1.50%
Debt Instrument, Basis Spread on Variable Rate																								7.00%
Payment-in-kind (PIK) Interest, Percentage																								1.50%
PIK Interest Paid																								1,000,000
Repayments of Long-term Debt													98,000,000
Repayments of Lines of Credit																	18,500,000
Debt Modifications And Extinguishment Costs Related To Secured Financing		17,300,000			35,415,000		5,450,000
Debt Modifications and Extinguishment Costs Related to Secured Financing with Berkshire Hathaway and Repayment of Previous Credit Facility			7,700,000
Deferred Finance Costs, Gross								11,500,000
Debt Modification and Extinguishment Costs Relating to Amendment of Previous Bank Credit Agreement	10,400,000
DebtModificationsAndExtinguishmentCostsRelatedToRefinancing				5,500,000
Notional Amount of Cash Flow Hedge Instruments											300,000,000
Notional Amount of Cash Flow Hedge Instruments, Matured During Period									200,000,000	100,000,000
Cash Flow Hedge Loss Reclassified to Interest Expense						7,300,000	10,700,000
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax						$ 6,900,000	$ 7,500,000