Leases - Schedule of Future Minimum Lease Payments under Capital Leases and Operating Leases for Continuing and Discontinued Operations (Detail) $ in Thousands	Dec. 31, 2015 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2016	$ 69,841
Operating Leases, 2017	61,279
Operating Leases, 2018	52,216
Operating Leases, 2019	37,321
Operating Leases, 2020	26,208
Operating Leases, 2021 and thereafter	19,404
Operating Leases, Total	266,269
Operating Subleases, 2016	8,780
Operating Subleases, 2017	8,327
Operating Subleases, 2018	3,893
Operating Subleases, 2019	2,290
Operating Subleases, 2020	1,013
Operating Subleases, 2021 and thereafter	55
Operating Subleases, Total	24,358
Continuing Operation [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2016	54,867
Operating Leases, 2017	47,743
Operating Leases, 2018	45,482
Operating Leases, 2019	35,883
Operating Leases, 2020	25,588
Operating Leases, 2021 and thereafter	19,404
Operating Leases, Total	228,967
Operating Subleases, 2016	3,220
Operating Subleases, 2017	2,820
Operating Subleases, 2018	2,412
Operating Subleases, 2019	1,616
Operating Subleases, 2020	322
Operating Subleases, 2021 and thereafter	55
Operating Subleases, Total	10,445
Discontinued Operations [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2016	14,974
Operating Leases, 2017	13,536
Operating Leases, 2018	6,734
Operating Leases, 2019	1,438
Operating Leases, 2020	620
Operating Leases, Total	37,302
Operating Subleases, 2016	5,560
Operating Subleases, 2017	5,507
Operating Subleases, 2018	1,481
Operating Subleases, 2019	674
Operating Subleases, 2020	691
Operating Subleases, Total	$ 13,913