XML 54 R28.htm IDEA: XBRL DOCUMENT

Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Cash Flow, Supplemental Disclosures [Text Block]

Supplemental cash flow information is shown in the below table:



	Year Ended December 31,
	2012		2011			2010
Supplemental Disclosures:	(in millions)
Cash paid for interest, net of capitalized interest	$	105.1	$	90.5		$	80.2
Cash paid (received) for income taxes	30.0		(28.5		)	14.0
Non-cash investing activities
Change in capital expenditure accrual balance	$	88.5	$	14.7		$	16.9

Property, Plant and Equipment [Table Text Block]



Buildings	10 to 30 years
Leasehold improvements	3 to 10 years
Service, transportation and field service equipment	3 to 7 years
Furniture and office equipment	3 to 7 years

Components of basic and diluted shares used in EPS

A reconciliation of the components of basic and diluted shares used in the EPS calculation follows:



	December 31,
	2012	2011	2010
	(in millions)
Weighted-average basic common shares outstanding	177.8	176.5	175.3
Potential number of shares issuable under the Long-Term Stock Incentive Plan	0.9	1.9	2.0
Average diluted common shares outstanding	178.7	178.4	177.3

- Definition

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References+ Details

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

+ References+ Details