XML 25 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Significant Accounting Policies - Minimum Future Licensing Revenues (Detail) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014
--- | ---
Accounting Policies [Abstract] |
Remainder of 2014 | $ 61,418
2015 | 57,394
2016 | 47,581
2017 | 38,096
2018 | 28,080
Thereafter | 133,227
Fixed non-cancelable minimum licensing revenues | $ 365,796

X
- Definition Minimum future licensing revenues, total. + References No definition available. + Details
Name: | pwr_MinimumFutureLicensingRevenues
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum future licensing revenues, in first full year. + References No definition available. + Details
Name: | pwr_MinimumFutureLicensingRevenuesInFirstFullYear
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum future licensing revenues, in fourth full year. + References No definition available. + Details
Name: | pwr_MinimumFutureLicensingRevenuesInFourthFullYear
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum future licensing revenues, in second full year. + References No definition available. + Details
Name: | pwr_MinimumFutureLicensingRevenuesInSecondFullYear
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum future licensing revenues, in third full year. + References No definition available. + Details
Name: | pwr_MinimumFutureLicensingRevenuesInThirdFullYear
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum future licensing revenues, remainder of current year. + References No definition available. + Details
Name: | pwr_MinimumFutureLicensingRevenuesRemainderOfCurrentYear
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum future licensing revenues, thereafter. + References No definition available. + Details
Name: | pwr_MinimumFutureLicensingRevenuesThereafter
Namespace Prefix: | pwr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration