Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

For the years ended December 31,	2013		2012		2011
Revenues:
U.S. Traditional	$	5,068,632	$	4,846,515	$	4,522,751
U.S. Non-Traditional	962,818		876,119		392,304
Canada	1,185,017		1,140,264		1,056,031
Europe & South Africa	1,421,488		1,372,291		1,249,859
Asia Pacific	1,541,459		1,495,545		1,430,414
Corporate and Other	138,939		110,177		178,179
Total	$	10,318,353	$	9,840,911	$	8,829,538

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

For the years ended December 31,	2013			2012			2011
Income (loss) before income taxes:
U.S. Traditional	$	371,563		$	368,095		$	363,964
U.S. Non-Traditional	245,649			268,315			61,673
Canada	164,318			186,971			164,953
Europe & South Africa	89,122			73,947			83,102
Asia Pacific	(235,211		)	45,378			42,234
Corporate and Other	(187		)	(23,483		)	47,645
Total	$	635,254		$	919,223		$	763,571

Reconciliation Of Interest Expense From Segment To Consolidated [Table Text Block]

For the years ended December 31,	2013		2012		2011
Interest expense:
Corporate and Other	$	124,307	$	105,348	$	102,638
Total	$	124,307	$	105,348	$	102,638

Reconciliation Of Depreciation And Amortization From Segment To Consolidated [Table Text Block]

For the years ended December 31,	2013		2012		2011
Depreciation and amortization:
U.S. Traditional	$	563,440	$	555,573	$	513,673
U.S. Non-Traditional	213,745		225,910		(46,407		)
Canada	193,878		182,914		168,874
Europe & South Africa	56,302		69,718		58,714
Asia Pacific	56,724		154,362		191,957
Corporate and Other	3,490		4,040		9,002
Total	$	1,087,579	$	1,192,517	$	895,813

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

For the years ended December 31,	2013		2012
Assets:
U.S. Traditional	$	13,213,585	$	12,555,467
U.S. Non-Traditional	11,716,908		12,368,896
Canada	4,103,730		3,764,002
Europe & South Africa	2,476,593		2,235,199
Asia Pacific	3,423,269		3,208,732
Corporate and Other	4,740,388		6,228,142
Total	$	39,674,473	$	40,360,438