Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure Text Block Supplement [Abstract]

Balance Sheet Information

The following table shows selected balance sheet information at December 31, 2016 and 2015:

	December 31,
	2016		2015
Other assets:
Long-term investments	$	425,732	$	412,369
Other	99,041		113,522
Total	$	524,773	$	525,891
Accounts payable and accrued liabilities:
Accounts payable	$	293,538	$	302,113
Customer deposits	688,772		665,339
Employee related liabilities	205,901		255,893
Other	190,611		224,976
Total	$	1,378,822	$	1,448,321