Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

Goodwill (Details) (USD $)	3 Months Ended		6 Months Ended
Goodwill (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Goodwill
Goodwill	$ 408,715,000		$ 408,715,000		$ 408,715,000
Goodwill
Impairment of goodwill	0	156,936,000	0	156,936,000
Impairment of other intangibles		8,400,000
Total impairment charges		165,300,000
Shoppers
Goodwill
Impairment of goodwill		$ 156,900,000