v3.3.1.900

Commitments and Contingencies - Employee matters - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2015 Employees
Commitments and Contingencies Disclosure [Abstract] |
Number of full-time employees | 5,830
Number of employees employed under collective bargaining agreements | 1,580
Percentage of employees employed under collective bargaining agreements | 27.00%

X
- Definition Represents the number of employees employed under collective bargaining agreements. + References No definition available. + Details
Name: | axll_NumberOfEmployeesEmployedUnderCollectiveBargainingAgreements
Namespace Prefix: | axll_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of employees employed under collective bargaining agreements. + References No definition available. + Details
Name: | axll_PercentageOfEmployeesEmployedUnderCollectiveBargainingAgreements
Namespace Prefix: | axll_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of persons employed by the Entity + References No definition available. + Details
Name: | dei_EntityNumberOfEmployees
Namespace Prefix: | dei_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration