Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Estimated useful lives of property, plant and equipment

Property and Equipment

Property and equipment are carried at cost. Depreciation is recorded using the straight-line method over the estimated useful lives of the assets. Improvements to leased premises are amortized using the straight-line method over the initial term of the lease or the useful life of the improvement, whichever is less. The following estimated useful lives are generally applied:



	Life
Buildings	30 – 35 years
Leasehold and building improvements	5 – 35 years
Furniture, fixtures and equipment	5 – 10 years
Computer software and hardware	3 – 5 years

Industrial Revenue Bonds

The terms and amounts authorized and drawn under each industrial revenue bond agreement are outlined as follows, as of December 31, 2016:



	Bond Term	Bond Authorized Amount (in millions)		Amount Drawn (in millions)
Franklin, Kentucky Distribution Center	30 years	$	54.0	$	51.8
Macon, Georgia Distribution Center	15 years	$	58.0	$	49.9
Brentwood, Tennessee Store Support Center	10 years	$	78.0	$	75.3