Long-term Debt, Net (Schedule of Long-term Debt, Net) (Details) (USD $)																6 Months Ended		12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Dec. 31, 2011 OSI Restaurant Partners LLC [Member] Secured debt [Member] Senior secured term loan facility 4.50% [Member]	Jun. 30, 2012 OSI Restaurant Partners LLC [Member] Secured debt [Member] Term loan facility [Member]		Dec. 31, 2011 OSI Restaurant Partners LLC [Member] Secured debt [Member] Term loan facility [Member]		Jun. 30, 2012 OSI Restaurant Partners LLC [Member] Secured debt [Member] Pre-funded revolving credit facility [Member]		Dec. 31, 2011 OSI Restaurant Partners LLC [Member] Secured debt [Member] Pre-funded revolving credit facility [Member]		Jun. 30, 2012 OSI Restaurant Partners LLC [Member] Senior notes [Member]		Dec. 31, 2011 OSI Restaurant Partners LLC [Member] Senior notes [Member]		Jun. 30, 2012 OSI Restaurant Partners LLC [Member] Unsecured debt [Member]		Dec. 31, 2011 OSI Restaurant Partners LLC [Member] Unsecured debt [Member]		Jun. 30, 2012 OSI Restaurant Partners LLC [Member] Sale-leaseback obligations [Member]		Dec. 31, 2011 OSI Restaurant Partners LLC [Member] Sale-leaseback obligations [Member]		Jun. 30, 2012 OSI Restaurant Partners LLC [Member] Capital lease obligations [Member]		Dec. 31, 2011 OSI Restaurant Partners LLC [Member] Capital lease obligations [Member]		Jun. 30, 2012 OSI Restaurant Partners LLC [Member] Guaranteed debt [Member]		Dec. 31, 2011 OSI Restaurant Partners LLC [Member] Guaranteed debt [Member]		Jun. 30, 2012 New PRP [Member] Mortgage [Member] First mortgage loan [Member]		Dec. 31, 2011 New PRP [Member] Mortgage [Member] First mortgage loan [Member]		Jun. 30, 2012 New PRP [Member] Mezzanine mortgage debt [Member] First mezzanine loan [Member]		Mar. 27, 2012 New PRP [Member] Mezzanine mortgage debt [Member] First mezzanine loan [Member]	Dec. 31, 2011 New PRP [Member] Mezzanine mortgage debt [Member] First mezzanine loan [Member]		Jun. 30, 2012 New PRP [Member] Mezzanine mortgage debt [Member] Second mezzanine loan [Member]		Mar. 27, 2012 New PRP [Member] Mezzanine mortgage debt [Member] Second mezzanine loan [Member]	Dec. 31, 2011 New PRP [Member] Mezzanine mortgage debt [Member] Second mezzanine loan [Member]		Jun. 30, 2012 PRP [Member] Mortgage [Member] Note payable [Member]		Dec. 31, 2011 PRP [Member] Mortgage [Member] Note payable [Member]		Jun. 30, 2012 PRP [Member] Mezzanine mortgage debt [Member] First mezzanine note [Member]		Dec. 31, 2011 PRP [Member] Mezzanine mortgage debt [Member] First mezzanine note [Member]		Jun. 30, 2012 PRP [Member] Mezzanine mortgage debt [Member] Second mezzanine note [Member]		Dec. 31, 2011 PRP [Member] Mezzanine mortgage debt [Member] Second mezzanine note [Member]		Jun. 30, 2012 PRP [Member] Mezzanine mortgage debt [Member] Third mezzanine note [Member]		Dec. 31, 2011 PRP [Member] Mezzanine mortgage debt [Member] Third mezzanine note [Member]		Jun. 30, 2012 PRP [Member] Mezzanine mortgage debt [Member] Fourth mezzanine note [Member]		Dec. 31, 2011 PRP [Member] Mezzanine mortgage debt [Member] Fourth mezzanine note [Member]
Debt Instrument [Line Items]
Long-term debt			$ 61,900,000	$ 1,007,850,000	[1],[2]	$ 1,014,400,000	[1],[2]					$ 248,075,000	[1]	$ 248,075,000	[1]																	$ 323,530,000	[3]	$ 0	[3]	$ 87,465,000	[3]		$ 0	[3]	$ 87,520,000	[3]		$ 0	[3]	$ 0	[3]	$ 466,319,000	[3]	$ 0	[3]	$ 88,900,000	[3]	$ 0	[3]	$ 123,190,000	[3]	$ 0	[3]	$ 49,095,000	[3]	$ 0	[3]	$ 48,113,000	[3]
Line of credit facility, amount outstanding								0	[1]	33,000,000	[1]
Other notes payable																9,213,000	[1]	9,094,000	[1]
Sale-leaseback obligations																				2,375,000	[1]	2,375,000	[1]
Capital lease obligations																								2,382,000	[1]	2,520,000	[1]
Guaranteed debt																												24,500,000	[1]	24,500,000	[1]
Total debt and capital lease obligations	1,792,910,000	2,109,581,000
Current portion of long-term debt	(26,580,000)	(332,905,000)		(13,100,000)		(13,100,000)
Debt instrument, unamortized discount	(4,620,000)	(291,000)
Total long-term debt and capital lease obligations	$ 1,737,210,000	$ 1,751,885,000
Debt instrument, interest rate at period end			4.50%	2.56%		2.63%				2.63%																		2.67%		2.65%		3.96%				9.00%					11.25%							0.98%				3.28%				3.53%				3.54%				4.53%
Debt instrument, interest rate, stated percentage												10.00%		10.00%																								9.00%					11.25%
Debt instrument, interest rate, stated percentage rate range, minimum																0.73%		0.76%
Debt instrument, interest rate, stated percentage rate range, maximum																7.00%		7.00%

[1] Represents obligations of OSI.

[2] At December 31, 2011, $61.9 million of the Company’s outstanding senior secured term loan facility was at an interest rate of 4.50%.

[3] Represents obligations of New PRP (as defined below) at June 30, 2012 and obligations of PRP at December 31, 2011.