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Borrowing Arrangements (Details 5) (USD $)
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Dec. 31, 2011
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Dec. 31, 2010
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|---|---|---|
| Future minimum lease payments under the capital lease agreements | ||
| 2012 | $ 9,446,000 | |
| 2013 | 9,573,000 | |
| 2014 | 9,699,000 | |
| 2015 | 9,826,000 | |
| 2016 | 9,953,000 | |
| Thereafter | 162,600,000 | |
| Total minimum lease payments | 211,097,000 | |
| Less: Amount related to interest | (68,091,000) | |
| Total maturities | 143,006,000 | |
| Net Assets held under capital leases | $ 224,700,000 | $ 0 |
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ASLG
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| Debt instruments | ||
| Number of communities under capital lease | 8 |
| X | ||||||||||
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- Definition
The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The total of contractually required rental payments on leases meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Contractually required rental payments on leases meeting the criteria for capitalization, due within one year of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Contractually required rental payments on leases meeting the criteria for capitalization, due within the fifth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Contractually required rental payments on leases meeting the criteria for capitalization, due within the fourth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Contractually required rental payments on leases meeting the criteria for capitalization, due within the third year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Contractually required rental payments on leases meeting the criteria for capitalization, due within the second year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Contractually required rental payments due on leases meeting the criteria for capitalization, after the fifth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount necessary to reduce net minimum lease payments to present value calculated at the lesser of the interest rate implicit in the lease (if known) or the entity's incremental borrowing rate (as defined) at inception of the lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The discounted value of future cash flows under leases meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Represents the number of communities under the capital lease agreements. No definition available.
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